Wikipedia:WikiProject Wales/Article List

FA-Class

 * Aberfan disaster
 * Arthur Gould (rugby union)
 * Castell Coch
 * Catherine Zeta-Jones
 * Edward I of England
 * John Douglas (English architect)
 * King Arthur
 * Ninian Park
 * Slate industry in Wales
 * Wales national rugby union team
 * 1876 Scotland v Wales football match
 * Asser
 * Cardiff City F.C.
 * Cefnllys Castle
 * Fred Keenor
 * History of the Wales national football team (1876–1976)
 * House of Plantagenet
 * Iwan Roberts
 * Monnow Bridge
 * Ray Reardon
 * Rhys ap Gruffydd
 * S. O. Davies
 * St Donat's Castle
 * Talyllyn Railway
 * 1927 FA Cup final
 * 2022 Tour Championship
 * Alfred Russel Wallace
 * Court of Chancery
 * David Kelly (weapons expert)
 * Johnny Owen
 * L. D. Reynolds
 * Old Church of St Nidan, Llanidan
 * Russell T Davies
 * Senghenydd colliery disaster
 * Wales national football team home stadium
 * William Cragh

FL-Class

 * Grade II* listed buildings in Monmouthshire
 * Grade I listed buildings in Monmouthshire
 * Roald Dahl bibliography
 * Cymru Premier Golden Boot
 * Friends of Friendless Churches
 * Grade I listed buildings in Rhondda Cynon Taf
 * List of Cardiff City F.C. managers
 * List of Cardiff City F.C. players
 * List of Cardiff City F.C. players (25–99 appearances)
 * List of Cardiff City F.C. records and statistics
 * List of Cardiff City F.C. seasons
 * List of County Court venues in England and Wales
 * List of Cymru Premier clubs
 * List of Honorary Fellows of Jesus College, Oxford
 * List of Wales international footballers
 * List of Wales national football team hat-tricks
 * List of alumni of Jesus College, Oxford
 * List of clergy educated at Jesus College, Oxford
 * List of former county courts in Wales
 * List of founding Fellows, Scholars and Commissioners of Jesus College, Oxford
 * List of international goals scored by Gareth Bale
 * List of international goals scored by Ian Rush
 * List of mathematicians, physicians, and scientists educated at Jesus College, Oxford
 * List of new churches by John Douglas
 * List of politicians, lawyers, and civil servants educated at Jesus College, Oxford
 * List of principals and fellows of Jesus College, Oxford
 * List of roles and awards of Catherine Zeta-Jones
 * Registered historic parks and gardens in Monmouthshire
 * Wales national football team results (1876–1899)
 * Wales national football team results (1920–1939)
 * Wales national football team results (1946–1959)

GA-Class

 * Aneurin Bevan
 * Carmarthenshire
 * Ceredigion
 * Charles III
 * Dylan Thomas
 * Millennium Stadium
 * Pembrokeshire
 * Snowdon
 * Wales
 * Barry Docks
 * Barry John
 * Brian Josephson
 * British people
 * Caernarfon Castle
 * Cardiff Castle
 * Castles and Town Walls of King Edward in Gwynedd
 * Catherine, Princess of Wales
 * Conwy Castle
 * Geography of Wales
 * Harlech Castle
 * Joseph Parry
 * Llandaff Cathedral
 * Mari Lwyd
 * Senedd building
 * Wales Millennium Centre
 * Welsh Corgi
 * Welsh National Opera
 * Welsh cuisine
 * William, Prince of Wales
 * Woollen industry in Wales
 * 2007 Welsh Open (snooker)
 * Agriculture in Wales
 * Anglesey Central Railway
 * Beaumaris Castle
 * Bullet for My Valentine
 * Caerphilly Castle
 * Ched Evans
 * Clwyd
 * Craig Bellamy
 * Criccieth Castle
 * Cwm, Llanrothal
 * Cymmer Colliery explosion
 * Diana, Princess of Wales
 * Dolwyddelan Castle
 * Ebbw Valley Railway
 * Flat Holm
 * Fred Dyer
 * George Insole
 * Gethin Jones
 * Grosmont Castle
 * Hay Castle
 * Herbert Armitage James
 * Hilston Park
 * Hubert William Lewis
 * Ivor Allchurch
 * James Harvey Insole
 * Jamie Arthur
 * John McFall (athlete)
 * John Toshack
 * Jonathan Pryce
 * Julia Gillard
 * Kidwelly and Llanelly Canal
 * Llantwit Major
 * Marina Diamandis
 * Michael Sheen
 * Milford Haven
 * Neath and Tennant Canal
 * Parc Cwm long cairn
 * Pennard Castle
 * Powis Castle
 * Raglan Castle
 * Rhyl Pier
 * Skenfrith Castle
 * St Mary's Church, Tal-y-llyn
 * Thomas Pennant
 * Welsh Pony and Cob
 * Welsh Springer Spaniel
 * White Castle, Monmouthshire
 * Women's suffrage in Wales
 * Y Gododdin
 * (Drawing) Rings Around the World
 * 1927 FA Charity Shield
 * 1958 FIFA World Cup qualification (AFC/CAF–UEFA play-off)
 * 2006 Heineken Cup final
 * 2006 World Cup of Pool
 * 2021 Welsh Open (snooker)
 * A4061 road
 * A4232 road
 * Aberdaron
 * Active-class cruiser
 * Adrift (Torchwood)
 * Alex Lawless
 * Andrew Crofts (footballer)
 * Barmouth Bridge
 * Beatrice Green
 * Billy Geen
 * Blonde-class cruiser
 * Boadicea-class cruiser
 * Caernarfon town walls
 * Caffo
 * Capel Lligwy
 * Castell y Bere
 * Catatonia (band)
 * Charles Wilkins (writer)
 * Clement of Llanthony
 * Constantine (Briton)
 * Conwy town walls
 * Curriculum for Wales (2022–present)
 * Cynfarwy
 * Daniel Parslow
 * David Watts Morgan
 * Dion Fortune
 * Dolbadarn Castle
 * East and West Blockhouses
 * Eidyn
 * Elizabeth Randles
 * Emilia Baeyertz
 * English Poor Laws
 * G. E. L. Owen
 * Glamorgan sausage
 * Golden Retriever (song)
 * Goronwy ap Tudur Hen
 * Gwen Cooper
 * HMS Active (1911)
 * HMS Ajax (1880)
 * HMS Amphion (1911)
 * HMS Andromeda (1897)
 * HMS Anson (1886)
 * HMS Aurora (1887)
 * HMS Bellona (1909)
 * HMS Blanche (1909)
 * HMS Blonde (1910)
 * HMS Boadicea (1908)
 * HMS Cambrian (1916)
 * HMS Caradoc (D60)
 * HMS Cardiff (D58)
 * HMS Carysfort (1914)
 * HMS Collingwood (1882)
 * HMS Cordelia (1914)
 * HMS Cornwall (1902)
 * HMS Denbigh Castle (K696)
 * HMS Dreadnought (1875)
 * HMS Essex (1901)
 * HMS Fearless (1912)
 * HMS Flint Castle (K383)
 * HMS Howe (1885)
 * HMS Inconstant (1868)
 * HMS Iron Duke (1870)
 * HMS Nile (1888)
 * HMS Nottingham (1913)
 * HMS Penelope (1867)
 * HMS Prince of Wales (1902)
 * HMS Thisbe (1824)
 * HMS Thunderer (1872)
 * Hello Sunshine (Super Furry Animals song)
 * Hervey le Breton
 * Hilda Vaughan
 * Humphrey de Bohun, 3rd Earl of Hereford
 * Huw Edwards (conductor)
 * It's Not the End of the World?
 * Jazz Richards
 * John Williams (snooker referee)
 * Johnny Williams (rugby union, born 1882)
 * Juxtapozed with U
 * Kyle Critchell
 * Levi Mackin
 * Llanishen Reservoir
 * Loughor Castle
 * Mark Aizlewood
 * Martha Hughes Cannon
 * Mary Dilys Glynne
 * Meat (Torchwood)
 * Melangell
 * Monmouth School for Boys
 * Mwng
 * Newton House, Llandeilo
 * Nidan
 * Norman Biggs
 * O'er the Gloomy Hills of Darkness
 * Old Bridge, Pontypridd
 * Old Church of St Gwenllwyfo, Llanwenllwyfo
 * Our Lady Star of the Sea and St Winefride, Amlwch
 * Park Hall (Oswestry)
 * Penmon
 * Penrhyn Castle
 * Phantom Phorce
 * Phantom Power (Super Furry Animals album)
 * Plas Mawr
 * Pont-y-Cafnau
 * Rachel Barrett
 * Radyr
 * Rakie Ayola
 * Rhys Weston
 * Rhys Williams (Torchwood)
 * Richard Garnons Williams
 * Rings Around the World
 * Sealyham Terrier
 * Sherlock (TV series)
 * Shrewsbury Drapers Company
 * Sibyl de Neufmarché
 * Sir William James, 1st Baronet
 * Slow Life
 * Something Borrowed (Torchwood)
 * South Wales derby
 * St Beuno's Church, Aberffraw
 * St Beuno's Church, Trefdraeth
 * St Caffo's Church, Llangaffo
 * St Caian's Church, Tregaian
 * St Ceidio's Church, Rhodogeidio
 * St Ceinwen's Church, Cerrigceinwen
 * St Cristiolus's Church, Llangristiolus
 * St Cwyllog's Church, Llangwyllog
 * St Cynfarwy's Church, Llechgynfarwy
 * St Deiniol's Church, Llanddaniel Fab
 * St Dona's Church, Llanddona
 * St Edern's Church, Bodedern
 * St Edwen's Church, Llanedwen
 * St Eleth's Church, Amlwch
 * St Enghenedl's Church, Llanynghenedl
 * St Eugrad's Church, Llaneugrad
 * St Ffinan's Church, Llanffinan
 * St Fflewin's Church, Llanfflewin
 * St Gallgo's Church, Llanallgo
 * St Gwenllwyfo's Church
 * St Iestyn's Church, Llaniestyn
 * St Llibio's Church, Llanllibio
 * St Mary's Church, Bodewryd
 * St Mary's Church, Llanfair-yn-y-Cwmwd
 * St Mary's Church, Llanfair-yng-Nghornwy
 * St Mary's Church, Llanfair Mathafarn Eithaf
 * St Mary's Church, Pentraeth
 * St Mary's Church, Rhodogeidio
 * St Melangell's Church, Pennant Melangell
 * St Michael's Church, Llanfihangel Ysgeifiog
 * St Mihangel's Church, Llanfihangel yn Nhowyn
 * St Nidan's Church, Llanidan
 * St Pabo's Church, Llanbabo
 * St Peirio's Church, Rhosbeirio
 * St Peter's Church, Llanbedrgoch
 * St Peulan's Church, Llanbeulan
 * St Twrog's Church, Bodwrog
 * St Tyfrydog's Church, Llandyfrydog
 * T. E. Lawrence
 * The Checkers (restaurant)
 * The Holy Bible (album)
 * The Red Dragon (magazine)
 * The Tale of the Flopsy Bunnies
 * The Whitebrook
 * Thomas Stephens (historian)
 * Three Castles
 * Timothy Everest
 * To the Last Man (Torchwood)
 * Tudur Hen
 * Walter de Clare
 * Wrexham A.F.C. 2–1 Arsenal F.C.
 * Ryland Davies
 * Tom Cole (racing driver)

B-Class

 * Anglesey
 * Cardiff
 * Flag of the United Kingdom
 * Flintshire
 * Glamorgan
 * Great Britain
 * Gruffudd ap Cynan
 * Gwynedd
 * History of Wales
 * Kingdom of Gwynedd
 * Local Government (Wales) Act 1994
 * Merthyr Tydfil
 * Newport, Wales
 * Owain Glyndŵr
 * Plaid Cymru
 * Prince of Wales
 * Senedd
 * Welsh devolution
 * Welsh people
 * 1999 Rugby World Cup
 * Anthony Hopkins
 * Beaumaris town walls
 * Caernarfon
 * Cardiff Arms Park
 * Celtic languages
 * Celts
 * Celts (modern)
 * Coastline of Wales
 * Colloquial Welsh morphology
 * Conquest of Wales by Edward I
 * Duffy (singer)
 * England–Wales border
 * Gareth Bale
 * Gavin & Stacey
 * Geology of Wales
 * Glyndŵr rebellion
 * Glynis Johns
 * Great Western Main Line upgrade
 * Hay-on-Wye
 * History of Cardiff
 * History of Plaid Cymru
 * House of Aberffraw
 * House of Tudor
 * Irish Sea
 * Ivor Novello
 * John Cale
 * John Charles
 * Katherine Jenkins
 * Kingdom of Powys
 * Leanne Wood
 * Llywelyn ab Iorwerth
 * Llŷn Peninsula
 * Monmouth
 * Names of the British Isles
 * Prehistoric Wales
 * River Dee, Wales
 * River Severn
 * Roald Dahl
 * Rowan Williams
 * Ryan Giggs
 * Sarah Siddons
 * Second Severn Crossing
 * Severn Bridge
 * Shirley Bassey
 * Six Nations Championship
 * Snowdonia
 * Stanley Baker
 * Stephen Crabb
 * Tintern Abbey
 * Tom Jones (singer)
 * United Kingdom invocation of Article 50 of the Treaty on European Union
 * University of Wales
 * Welsh Dragon
 * Welsh Labour
 * Welsh independence
 * Welsh toponymy
 * William Williams Pantycelyn
 * 2007 National Assembly for Wales election
 * Ancient Celtic warfare
 * Anwyl of Tywyn family
 * Archbishop of Cardiff
 * Arriva Trains Wales
 * Arthur Machen
 * Bangor University
 * Bardsey Island
 * Barry Waterfront
 * Bartholomew Roberts
 * Becky Morgan
 * Ben Thatcher
 * Bernard de Neufmarché
 * Betsi Cadwaladr
 * Blaenau Ffestiniog
 * Bonnie Tyler
 * Bridgend
 * Britannia Bridge
 * Buckley, Flintshire
 * Cadoc
 * Caldey Island
 * Cardiff Central railway station
 * Carmarthen
 * Carnedd Llewelyn
 * Carreglwyd
 * Castell Dinas Brân
 * Celticisation
 * Chepstow
 * Chwilog
 * Coal Mines Act 1911
 * Coat of arms of the Prince of Wales
 * Cyfraith Hywel
 * Dafydd ap Gruffydd
 * Danny Gabbidon
 * Desmond Llewelyn
 * Despenser War
 * Dicky Owen
 * Dinas Powys
 * Domesday Book
 * Druid
 * Ednyfed Fychan
 * Elan Valley Reservoirs
 * Ellis ap Griffith
 * Ergyng
 * Ernest Jones
 * Fagan (saint)
 * Focus Wales
 * Freddie Welsh
 * Gabby Logan
 * Gary Speed
 * George Herbert
 * Gresford disaster
 * Guinevere
 * Gwen John
 * Harlech
 * Hen Ogledd
 * Henry Morris-Jones
 * Henry Vaughan
 * History of Gwynedd during the High Middle Ages
 * Hugh Evan-Thomas
 * Ian Rush
 * Ian Woosnam
 * Ioan Gruffudd
 * James Fox (singer)
 * Joe Ledley
 * Karl Jenkins
 * Knighton, Powys
 * Leigh Richmond Roose
 * Leila Megàne
 * Leslie Norris
 * List of extreme points of the United Kingdom
 * Llandow air disaster
 * Llangollen Canal
 * Lordship of Denbigh
 * Lôn Goed
 * M4 motorway
 * MOD St Athan
 * Martyn Joseph
 * Mary Jones and her Bible
 * Max Boyce
 * Molly Scott Cato
 * Monmouthshire and Brecon Canal
 * Music of Wales
 * National Shipyard
 * Neath and Brecon Railway
 * Owain Lawgoch
 * Owen Glendower (novel)
 * Penal laws against the Welsh
 * Penarth
 * Percy Morris
 * Proposed Welsh justice system
 * RAF Angle
 * RAF Llandwrog
 * Rail transport in Wales
 * Rhondda
 * Rhondda and Swansea Bay Railway
 * Rhydymwyn
 * Richard Gwyn
 * River Lugg
 * River Teme
 * Rob Brydon
 * Royal Glamorgan Artillery Militia
 * Severn Tunnel
 * Snowdon Mountain Railway
 * South Wales Brigade
 * South Wales Gas Pipeline
 * St Athan
 * St Cadwaladr's Church, Llangadwaladr
 * St Mary's Church, Mold
 * St Padarn's Church, Llanbadarn Fawr
 * Stephen Kinnock
 * Tony Pulis
 * Vale of Rheidol Railway
 * Wales at the Rugby World Cup
 * William Bulkeley Hughes
 * William Mainwaring
 * Windsor Davies
 * Wrexham A.F.C.
 * 12th century in Wales
 * 16th century in Wales
 * 1780s in Wales
 * 1790s in Wales
 * 17th century in Wales
 * 1973 Gwent County Council election
 * 1986 in Wales
 * 1987 in Wales
 * 1988 in Wales
 * 1989 in Wales
 * 1991 in Wales
 * 1992 in Wales
 * 1993 in Wales
 * 1994 in Wales
 * 1995 in Wales
 * 1996 in Wales
 * 1997 in Wales
 * 1998 in Wales
 * 1999 in Wales
 * 2000 in Wales
 * 2001 in Wales
 * 2002 in Wales
 * 2003 in Wales
 * 2004 in Wales
 * 2005 in Wales
 * 2007 in Wales
 * Aberystwyth railway station
 * Adam of Usk
 * Aelhaiarn
 * Allt-yr-yn
 * Alway
 * Ambrosius Aurelianus
 * Angevin Empire
 * Archaeologia Cambrensis
 * Areas of Outstanding Natural Beauty in Wales
 * Battle of Buttington
 * Battle of Edgcote
 * Brân the Blessed
 * Caergwrle Castle
 * Caernarfon railway station
 * Caerphilly Heart Disease Study
 * Caldicot Castle (1794 ship)
 * Cambrian Quarterly Magazine and Celtic Repertory
 * Candleston Castle
 * Cantiorix Inscription
 * Cardiff Rift
 * Carl G. Jones
 * Catherine Lynch
 * Celtic nations
 * Centre for Advanced Welsh and Celtic Studies
 * Charles Bertram
 * Charlotte Church
 * Chepstow Railway Bridge
 * Clifford Cory
 * Cnapan Hotel
 * Coptic Orthodox Church in Wales
 * Coronet of Charles, Prince of Wales
 * Corris Railway
 * Cors Caron
 * Criccieth Lifeboat Station
 * Crumpet
 * Cuisine of Monmouthshire
 * Cwmbran
 * Cymru
 * Deke Leonard
 * Dennis David
 * Deruvian
 * Dolaucothi Gold Mines
 * Dora Herbert Jones
 * Economic history of Wales
 * Eglwys y Bedd
 * Eirwen Gwynn
 * Elis James
 * Elizabeth Morgan (actress)
 * Ellis-Nanney baronets
 * Emiliano Sala
 * Fashion of Catherine, Princess of Wales
 * Feeder (band)
 * FitzRoy Somerset, 4th Baron Raglan
 * Fort Belan
 * Frank Brangwyn
 * Fulk FitzWarin
 * Funeral for a Friend
 * Georgiana Hare-Naylor
 * Gerard Manley Hopkins
 * Gethin Jones (footballer, born 1995)
 * Greville Janner
 * Gwbert
 * HMS Arethusa (1817)
 * HMS Melampus (1820)
 * HMS Myrmidon (1813)
 * HMS Nereus (1821)
 * HMS Valorous (1816)
 * Harold Jones (murderer)
 * Henry Bartle Frere
 * History of education in Wales
 * Hugh Ellis-Nanney
 * Hugh Llewellyn Glyn Hughes
 * Huw Dixon
 * Infant school
 * James Augustus St. John
 * James Relly
 * Jem (singer)
 * Jessie Penn-Lewis
 * Joanna Penberthy
 * Joe Calzaghe
 * John Barnard Jenkins
 * John Dee
 * John Prescott
 * John Ystumllyn
 * Joseph Edwards (sculptor)
 * Kathleen and May
 * Klondyke mill
 * Leighton Hall, Powys
 * Lembit Öpik
 * Lewis Llewelyn Dillwyn
 * Lily Argent
 * List of non-marine molluscs of Great Britain
 * Lisvane
 * Llanddeusant, Anglesey
 * Llangelynnin, Conwy
 * Llangolman
 * Llyn Cerrig Bach
 * Llywernog Mine
 * Llŷr Williams
 * Madoc
 * Margaret Haig Thomas, 2nd Viscountess Rhondda
 * Marriage in England and Wales
 * Mary Gillham
 * Meic Stephens
 * Mel Charles
 * Michael Heseltine
 * Michael Owen
 * Midland Union of Natural History Societies
 * Murder of Lynette White
 * Nannau, Wales
 * Nathan Cleverly
 * National Library of Wales
 * Nerquis Hall
 * Newborough, Anglesey
 * Newport Association Football Club Ltd and others v Football Association of Wales Ltd
 * Nicholas Carew (died 1311)
 * Origins of Falkland Islanders
 * Pains and Penalties Bill 1820
 * Parkmill
 * Parrot Corporation
 * Patrick Gibbs
 * Pencoedtre
 * Pendoylan
 * Philip Jones Griffiths
 * Poppit Sands
 * Princess Charlotte of Wales (ship)
 * Pushing the Senses
 * Raglan, Monmouthshire
 * Regions of Wales
 * Renewable energy in Wales
 * Rhosydd quarry
 * Richard of Cirencester
 * Robert Fitzhamon
 * Robert Vaughan (antiquary)
 * Rowland Laugharne
 * Ruth Madoc
 * SS Beemsterdijk
 * SS Ben Seyr
 * Saint Ninnoc
 * Selina Rushbrook
 * St Chad's Church, Holt
 * St Deiniol's Church, Hawarden
 * St Garmon's Church, Llanfechain
 * St Hilary, Vale of Glamorgan
 * St Michael and All Angels Church, Kerry
 * Staylittle
 * Stereophonics
 * Sylvia Sleigh
 * Talhenbont Hall
 * Tanat Valley Light Railway
 * Tenby Lifeboat Station
 * The Black Cauldron (film)
 * The Crown
 * The Description of Britain
 * Third Menai Crossing
 * Thomas Bowles (priest)
 * Thorne Island
 * Tiggy Legge-Bourke
 * Tom Pryce
 * Tom Rees (aviator)
 * Torchwood
 * Trawsfynydd railway station
 * United Rugby Championship
 * Urban (bishop of Llandaff)
 * Vortigern
 * Wales Comic Con
 * Waun Mawn
 * Welsh Church Commissioners
 * Welsh Tax Acts etc. (Power to Modify) Act 2022
 * Why Didn't They Ask Evans?
 * Wrexham Police Station (1973–2020)
 * Wye Valley Railway
 * 2021 Welsh Labour–Plaid Cymru agreement
 * Alexandra quarry
 * Celtic rainforests in Wales
 * Coal tips in Wales
 * David Watkin Jones
 * Edmund Prys
 * Fields in Trust
 * Grove Park School, Wrexham
 * Hannah Grae
 * Island Green
 * Jamie Lewis
 * John Meurig Thomas
 * Klervi
 * Pant-yr-Ochain
 * The Snow (poem)
 * Trinity Presbyterian Church, Wrexham
 * Wales national rugby league team
 * Waterworld, Wrexham

C-Class

 * Carwyn Jones
 * David Lloyd George
 * Flag of Wales
 * Gareth Edwards
 * Llywelyn ap Gruffudd
 * Mabinogion
 * Mark Drakeford
 * Mining in Wales
 * Monmouthshire (historic)
 * North Wales
 * Politics of Wales
 * Powys
 * Rhondda Cynon Taf
 * Rugby union in Wales
 * Saint David
 * Science and technology in Wales
 * South Wales
 * Sport in Wales
 * Swansea
 * Welsh Government
 * Welsh art
 * Welsh language
 * Wrexham
 * Wrexham County Borough
 * 2014 Wales summit
 * Aberystwyth
 * Alun Michael
 * Angharad Tomos
 * Ar Hyd y Nos
 * Architecture of Wales
 * BBC Cymru Wales
 * BBC Radio Wales
 * Black Book of Carmarthen
 * Blaenavon Industrial Landscape
 * Cambrian Line
 * Cardiff Airport
 * Cardiff City Stadium
 * Cardiff RFC
 * Cardiff Rugby
 * Cardiff city centre
 * Catholic Church in England and Wales
 * Celtic Britons
 * Chepstow Castle
 * Christianity in Wales
 * Church in Wales
 * Colin Jackson
 * Ebbw Vale Steelworks
 * Economy of Wales
 * Eisteddfod
 * English criminal law
 * Gerald of Wales
 * Great Orme
 * Griff Rhys Jones
 * Gwynfor Evans
 * Henry Morton Stanley
 * Henry VII of England
 * History of the Welsh language
 * ITV Wales & West
 * Iolo Morganwg
 * Joseph Kappen
 * Judicial review in English law
 * Judiciary of England and Wales
 * Laura Ashley
 * Laws in Wales Acts 1535 and 1542
 * Leek
 * Legislatures of the United Kingdom
 * Leo Abse
 * Llanfairpwllgwyngyll
 * Lostprophets
 * Manic Street Preachers
 * Marcher lord
 * Menai Strait
 * Middle Welsh
 * Mold, Flintshire
 * NHS Wales
 * Neath RFC
 * Neil Kinnock
 * Noah's Ark Children's Hospital for Wales
 * Offa's Dyke
 * Owain Glyndŵr Day
 * Plas y Brenin
 * Pontcysyllte Aqueduct
 * Port Talbot
 * Pound sterling
 * Princess of Wales
 * Principality of Wales
 * Protected areas of Wales
 * R. S. Thomas
 * Radio in Wales
 * Ray Gravell
 * Religion in Wales
 * Rhodri Mawr
 * Richard Burton
 * Richard Price
 * River Teifi
 * Ron Davies (Welsh politician)
 * Ruth Jones
 * S4C
 * Saint David's Day
 * Sam Warburton
 * Saunders Lewis
 * Simon Weston
 * South Wales Main Line
 * South Wales Valleys
 * St. Jude storm
 * St Davids Cathedral
 * Super Furry Animals
 * Swansea University
 * Taliesin
 * Terry Matthews
 * Timeline of Welsh history
 * Traditional Welsh costume
 * Transport in Wales
 * Trunk roads in Wales
 * University of Wales Trinity Saint David
 * Wales in the Roman era
 * Wales national football team
 * Warren Gatland
 * Wat's Dyke
 * Welsh-language literature
 * Welsh Conservatives
 * Welsh English
 * Welsh Guards
 * Welsh Language Act 1967
 * Welsh Language Act 1993
 * Welsh Marches
 * Welsh Methodist revival
 * Welsh Not
 * Welsh Rugby Union
 * Welsh literature in English
 * Welsh nationalism
 * Ysgol Uwchradd Caergybi
 * 1607 Bristol Channel floods
 * 1904–1905 Welsh revival
 * 1958 British Empire and Commonwealth Games
 * 2010 Welsh Open (snooker)
 * 2018 Wales Rally GB
 * A-level
 * A40 road
 * A470 road
 * Aaron Ramsey
 * Aberaman
 * Aberdare
 * Aberdare Canal
 * Aberfan Disaster Tribunal
 * Aberffraw
 * Abergavenny
 * Abergele rail disaster
 * Aberystwyth University
 * Adam Price
 * Albert Evans-Jones
 * Alex Jones (Welsh presenter)
 * Alexandra (Newport and South Wales) Docks and Railway
 * All Saints' Church, Gresford
 * Alun Wyn Jones
 * Amy Dillwyn
 * Ann Clwyd
 * Ann Griffiths
 * Annabel Giles
 * Anne Beale
 * Arenig Fawr
 * Atlantic College
 * Augusta Hall, Baroness Llanover
 * Augustus John
 * Autism Cymru
 * Awen
 * BBC Radio Cymru
 * Baldwin III, Count of Guînes
 * Bando (sport)
 * Bard
 * Barry, Vale of Glamorgan
 * Barry Island
 * Barry Island railway station
 * Battle of Pwll Melyn
 * Bessie Jones (Welsh singer)
 * Bethan Gwanas
 * Betty Campbell
 * Biodiversity of Wales
 * Black Mountain (range)
 * Blackwood, Caerphilly
 * Blorenge
 * Bodelwyddan Castle
 * Bodnant Garden
 * Brains Brewery
 * Brecknockshire
 * Bristol Channel
 * Bristol and South Wales Union Railway
 * British & Irish Lions
 * Brittonic languages
 * Broadcasting House, Cardiff
 * Bryngarw Country Park
 * Buildings associated with Owain Glyndŵr
 * Business ownership within England and Wales
 * Caldey Abbey
 * Cambria
 * Cambrian Railways
 * Caratacus
 * Cardiff Athletic Club
 * Cardiff Bay
 * Cardiff Bus
 * Cardiff Central (Senedd constituency)
 * Cardiff Central Library
 * Cardiff Central bus station
 * Cardiff Council
 * Cardiff Docks
 * Cardiff English
 * Cardiff Metropolitan University
 * Cardiff North (Senedd constituency)
 * Cardiff Philharmonic Orchestra
 * Cardiff South and Penarth (Senedd constituency)
 * Cardiff University
 * Cardiff University School of Medicine
 * Cardiff West (Senedd constituency)
 * Carmarthenshire County Council
 * Carmarthen–Aberystwyth line
 * Carol Vorderman
 * Carreg Cennen Castle
 * Caswell Bay
 * Cathays Park
 * Cawl
 * Ceredigion (UK Parliament constituency)
 * Ceredigion Coast Path
 * Ceri Richards
 * Cerys Matthews
 * Chairing of the Bard
 * Chester and Holyhead Railway
 * Chris Coleman (footballer)
 * Chris Mepham
 * Christopher Williams (Welsh artist)
 * City and County of Swansea Council
 * Civil Procedure Rules
 * Civil parish
 * Connah's Quay Nomads F.C.
 * Conwy Valley line
 * Corona (soft drink)
 * Corporate manslaughter in English law
 * County Hall, Cardiff
 * Crempog
 * Crumlin Arm (Monmouthshire canal)
 * Crwth
 * Cuisine of Pembrokeshire
 * Culture and recreation in Cardiff
 * Cyfarthfa Castle
 * Cyfarthfa Ironworks
 * Cymru Premier
 * Dafydd Wigley
 * Dai Greene
 * Dai Rees
 * Daniel Curtis (composer)
 * David Rees (Y Cynhyrfwr)
 * David TC Davies
 * Dee Regulation Scheme
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 * Swansea (UK Parliament constituency)
 * Swansea Canal
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 * Bill Roberts (rugby union)
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 * Brymbo
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 * Butetown
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 * Cardiff, Wales: 6/23/04
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 * Cardiff Corporation Waterworks
 * Cardiff Demons
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 * Caroline Jones (politician)
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 * Celtic League
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 * Church of St Thomas the Martyr, Monmouth
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 * City, Powys
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 * Clement Price Thomas
 * Cliff Jones (Welsh footballer)
 * Climate of Wales
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 * Comic Con Wales
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 * County Buildings, Wrexham
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 * Crumlin Viaduct
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 * Cuisine of Carmarthenshire
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 * Cycling in Cardiff
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 * Cyfarthfa Band
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 * D. J. Cathcart King
 * Dafydd Elis-Thomas
 * Dai Parker
 * Dan Biggar
 * David Banner (game designer)
 * David Crystal
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 * David Garner (artist)
 * David James Davies
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 * Davies brothers of Bersham
 * Dawnus
 * De Excidio et Conquestu Britanniae
 * Deeside Tramway
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 * Delyth Morgan, Baroness Morgan of Drefelin
 * Denis O'Connor (police officer)
 * Deputy Minister for Climate Change
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 * Derrick Morris
 * Dic Penderyn
 * Dick Atkin, Baron Atkin
 * Dickie Morris
 * Dilys Price
 * Dinas railway station (Festiniog Railway)
 * Dinefwr Park National Nature Reserve
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 * Doctor Who
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 * Dolaucothi Estate
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 * Dolgoch railway station
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 * Dolobran, Montgomeryshire
 * Donald Davies
 * Dorothy Edwards (Welsh novelist)
 * Dorothy Miles
 * Dragon's Back Race
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 * Dudley Lloyd-Evans
 * Duffws railway station (Festiniog Railway)
 * East Camp
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 * Edith Mansell-Moullin
 * Edward Davies (minister)
 * Edward Jones (Welsh architect)
 * Edward Turberville
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 * Efnysien
 * Eighty-five martyrs of England and Wales
 * Eiluned Lewis
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 * Elaine Morgan
 * Elections in Wales
 * Elias Owen (footballer)
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 * Eliza Ann Fewings
 * Elizabeth (1809 ship)
 * Eluned Morgan (author)
 * Ely, Cardiff
 * Emily Burnett
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 * Emmeline Lewis Lloyd
 * Emrys Roberts (Liberal politician)
 * England and Wales
 * England and Wales Precipitation
 * English Football League
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 * Erbistock
 * Eudaf Hen
 * European route E30
 * Eva Clarke
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 * Evan Evans (Ieuan Glan Geirionydd)
 * Evan Jones (Ieuan Gwynedd)
 * Evan Roberts (minister)
 * Evan Stephens
 * Evelyn Bowen
 * Every Valley
 * Ezzelina Jones
 * Faenol Fawr, Bodelwyddan
 * Fantasia on Welsh Nursery Tunes
 * Fashion of Diana, Princess of Wales
 * Festiniog railway station
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 * Ffion Davies
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 * Fonmon Castle
 * Football Museum for Wales
 * Fourth Shadow Cabinet of Andrew RT Davies
 * Frances Hoggan
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 * Freshwater West
 * Fron-Boeth and Pant Mawr quarries
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 * Funeral of Diana, Princess of Wales
 * GWR Rheidol Tanks
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 * Gareth Hughes
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 * Garth (Guilsfield)
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 * Gary Buckland
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 * Geoffrey Crawshay
 * Geology of Anglesey
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 * George Powell (collector)
 * Gilbert Marshal, 4th Earl of Pembroke
 * Gillian Clarke
 * Girls' Day School Trust
 * Glais
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 * GreenWood
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 * HMS Ariadne (1816)
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 * Habershon and Fawckner
 * Hadnock
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 * Harriet Windsor-Clive, 13th Baroness Windsor
 * Harry Wilson (footballer, born 1997)
 * Haverfordwest Castle
 * Hayley Ladd
 * Heart of Wales line
 * Helen Griffin
 * Hendreddu quarry
 * Hengoed (Carmarthenshire electoral ward)
 * Hengoed Viaduct
 * Henry Bracy
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 * Herbert Rowse Armstrong
 * Hester Thrale
 * High Street, Newport, Wales
 * His Shadow
 * History of Doctor Who
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 * Hobbit (unit)
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 * Home (Penarth restaurant)
 * Horse racing in Wales
 * House for the Future, Cardiff
 * Howard Thomas (scientist)
 * Howell Moore-Gwyn
 * Hugh Cudlipp
 * Human Transplantation (Wales) Act 2013
 * Hyssington
 * Hywel Francis
 * Ian Grist
 * Ian Lucas
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 * Idris Williams
 * Ieuan Deulwyn
 * In My Skin (TV series)
 * Independent Commission on Funding and Finance for Wales
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 * Ivy Alvarez
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 * Jack Crabtree (artist)
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 * Jo Mazelis
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 * John Cooper (serial killer)
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 * John Davies (archbishop of Wales)
 * John Davies (poet, born 1944)
 * John Deffett Francis
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 * John Parry (Bardd Alaw)
 * John Propert
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 * John Rolls
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 * John Segrave, 2nd Baron Segrave
 * John Silas Evans
 * John Trevor (speaker)
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 * John Ward (archbishop of Cardiff)
 * John Williams (priest, born 1792)
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 * Johnston, Pembrokeshire
 * Jon Ronson
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 * June and Jennifer Gibbons
 * Justiciar
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 * Kathryn Jenkins
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 * Kay Swinburne, Baroness Swinburne
 * Kelvin Thomas
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 * Keyne
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 * Laura Sugar
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 * Len Evans (footballer)
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 * Lily Chitty
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 * Liz Saville Roberts
 * Llanarth Court
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 * Llantrisant Church
 * Llanystumdwy
 * Llefelys
 * Lleu Llaw Gyffes
 * Llewela Davies
 * Lligwy Burial Chamber
 * Llwyn-on Reservoir
 * Llyn Cerrig Bach Plaque
 * Llyn Crafnant
 * Llŷn Coastal Path
 * London Welsh RFC
 * Lonely Tree
 * Lorna Sage
 * Lucie Jones
 * Luke Evans
 * Luke Rowe
 * Lymore, Montgomery
 * Lynette Roberts
 * M4 relief road
 * Maenan Hall
 * Maesteg
 * Maesteg East
 * Maesyronnen Chapel
 * Manafon
 * Manon Antoniazzi
 * Manon Awst
 * Manon Johnes
 * Marc Evans
 * Marches Way
 * Mardy Colliery
 * Margaret Bevan
 * Maria James
 * Mark Lewis Jones
 * Mark Reckless
 * Mark Williams (snooker player)
 * Marquess of Bute
 * Martin Lluelyn
 * Martyn Gough
 * Mary Elizabeth Phillips (physician)
 * Mary Morris (doctor)
 * Match of the Century (rugby union)
 * Math fab Mathonwy (branch)
 * Mathern Palace
 * Maureen Guy
 * Maureen Peters (novelist)
 * Mavis Nicholson
 * Mayhill
 * Mechell, Anglesey
 * Melanie Counsell
 * Melin Llynon, Llanddeusant
 * Melin Tregwynt
 * Melingriffith Water Pump
 * Menai Strait fish weirs
 * Menter Môn
 * Meredith Thomas
 * Meredydd Evans
 * Merthyr Tydfil RLFC
 * Merthyr Vale
 * Michael Foot
 * Michael Moritz
 * Mid Rhondda F.C.
 * Mike Davies (tennis)
 * Milford Haven railway station
 * Milwr Tunnel
 * Minllyn quarry
 * Minnie Pallister
 * Moelona
 * Moelwyn Hughes
 * Moelwyn quarry
 * Mold gold cape
 * Morfydd Clark
 * Morfydd Llwyn Owen
 * Morgan Morgan (Welsh politician)
 * Morlais
 * Moynes Court
 * Mumbles (district)
 * Murder of April Jones
 * Murder of Edna Phillips
 * Murder of Logan Mwangi
 * Murder of Mabel Greenwood
 * Murder of Nicholas Churton
 * Murder of Sophie Hook
 * Music of Newport
 * Nancy Edwards
 * Nantclwyd Hall
 * Nanteos Cup
 * Nantgarw dance tradition
 * Nathan Jones (Welsh footballer)
 * Nathaniel Jarvis
 * Nation.Cymru
 * National Trust
 * National parks of Wales
 * Natural resources of Wales
 * Neath Port Talbot County Borough Council
 * Neck Deep
 * Nedern Brook Wetlands
 * Neil Hamilton (politician)
 * Neil McEvoy
 * Nelson Rooms, Monmouth
 * Nennius
 * New Quay Lifeboat Station
 * Newport (Monmouthshire) (UK Parliament constituency)
 * Newport Marathon
 * Newyddion
 * Niall Griffiths
 * Nicholas Edwards, Baron Crickhowell
 * Nick Bourne
 * Nicky Grist
 * Nigel Evans
 * Noel Phillips
 * Norena Shopland
 * North Pembrokeshire and Fishguard Railway
 * North Wales Crusaders
 * Norwegian Church, Cardiff
 * Oakeley quarry
 * Oakwood Theme Park
 * Old Church of St Afran, St Ieuan and St Sannan, Llantrisant
 * Old Iron Bridge, Merthyr Tydfil
 * Old Library, Wrexham
 * Old Oswestry
 * Olive Talbot
 * Oliver Mathews
 * Operation Julie
 * Orig Williams
 * Oswestry Castle
 * Overmonnow
 * Owain Fôn Williams
 * Owain Glyndŵr's Court
 * Owain Wyn Evans
 * Owain ab Edwin of Tegeingl
 * Owen Tudor
 * Oxwich Castle
 * P. G. Morgan
 * Parc Howard Museum
 * Parc quarry
 * Parciau hill fort
 * Parliament for Wales Campaign
 * Patrick Harrington (barrister)
 * Paul Davies (bishop)
 * Paul Griffiths (writer)
 * Paul Mealor
 * Peace Mala
 * Pembrey Circuit
 * Pembroke Dock Military Cemetery
 * Pembroke and Tenby Railway
 * Pen-y-Gwryd
 * Penarth Dock
 * Penclawdd
 * Pencoed Castle
 * Pendine Sands
 * Pendre railway station
 * Penydarren
 * Peter Baynham
 * Peter Birt
 * Peter Fox (Welsh politician)
 * Peter Gill (playwright)
 * Peter Law
 * Peter Morris (baseball)
 * Phil Ryan (musician)
 * Philip Burton (theatre director)
 * Phyllis Kinney
 * Picton Monument, Carmarthen
 * Piercefield House
 * Pippa Britton
 * Pixie O'Harris
 * Plas Clough
 * Plas Dinas
 * Plas Madoc
 * Plas Uchaf
 * Plas yn Rhiw
 * Pleading (England and Wales)
 * Point of Ayr Lighthouse
 * Pontcanna
 * Pontyclun railway station
 * Pontypool Free Press
 * Pontypool and New Inn railway station
 * Pontypridd RFC
 * Pontypridd Urban District Council Tramways
 * Porth-y-Tŵr
 * Porth Community School
 * Porth Wen Brickworks
 * Portland Place, Aberaeron
 * Portmeirion
 * Powers of the police in England and Wales
 * Prehistoric Britain
 * Presaddfed Hall
 * Priory Church of St Mary, Usk
 * Professional Association for Childcare and Early Years
 * Professional Footballers' Association
 * Project Reset (Welsh Rugby Union reform)
 * Propel (political party)
 * Pryse Pryse
 * Purple Aki
 * Pwll Du
 * Queen's Hall Narberth
 * R v Evans and McDonald
 * Rachael Bland
 * Rachie
 * Radnorshire
 * Radyr Comprehensive School
 * Raglan Lodge
 * Regional economy in Wales
 * Ren Gill
 * Return of Owners of Land, 1873
 * Rheidol (locomotive)
 * Rhiannon Davies Jones
 * Rhiannon Ifans
 * Rhisiart Tal-e-bot
 * Rhiwbina
 * Rhoda Broughton
 * Rhoose (electoral ward)
 * Rhosllanerchrugog
 * Rhun ap Iorwerth
 * Rhyd-y-gors
 * Rhydyronen railway station
 * Rhys Mechyll
 * Rhys Morgan
 * Rhys Trimble
 * Richard Aaron
 * Richard Phelps Gough
 * Road Rage (song)
 * Roath Park
 * Rob Davies (table tennis)
 * Rob Terry
 * Robert Dickie (boxer)
 * Robert Evans (referee)
 * Robert Ferrar
 * Robert Morgan (bishop)
 * Robert Waithman
 * Robert William Griffiths
 * Robert Williams (antiquary)
 * Roberts (surname)
 * Robeston Wathen
 * Robyn Wilkins
 * Roderic Bowen Library and Archive
 * Roger Dawson-Yelverton
 * Roger Maynwaring
 * Roger Mortimer, 4th Earl of March
 * Roger Rees
 * Roger Vaughan of Bredwardine
 * Ron Berry
 * Rosa M. Morris
 * Rosemary Barrow
 * Royal Charter (ship)
 * Royal Pier, Aberystwyth
 * Royal corgis
 * Ruabon railway branch lines
 * Ruth Ellis
 * Ruth Manning-Sanders
 * Ruth Northway
 * Ryhan Stewart
 * S. Minwel Tibbott
 * ST Sea Alarm
 * Saint Wenna
 * Saint Winifred
 * Sally El Hosaini
 * Sarah Atherton
 * Sarah Coysh
 * Sarah Vine
 * Sarah Waters
 * Savoyard knights in the service of Edward I
 * School federation (England and Wales)
 * Senedd Commission
 * Senedd Reform Bill
 * Sentencing in England and Wales
 * Shadow Cabinet of Paul Davies
 * Shakin' Stevens and the Sunsets
 * Shambo
 * Sian Williams
 * Sidney Colwyn Foulkes
 * Siloa Chapel, Aberdare
 * Simon Baynes
 * Sir John Dillwyn-Llewelyn, 1st Baronet
 * Sir Robert Jones, 1st Baronet
 * Skirrid Fawr
 * Skokholm
 * Slate industry
 * Slate industry in the Nantlle Valley
 * Soar y mynydd
 * Sophie Mackintosh
 * Soughton Hall
 * Southern Conference League
 * Splott
 * Sport in Cardiff
 * St Benet's, Paul's Wharf
 * St Berres' Church, Llanferres
 * St Beuno's Church, Berriew
 * St Beuno's Church, Bettws Cedewain
 * St Beuno's Jesuit Spirituality Centre
 * St Brides Major (community)
 * St Cedwyn's Church, Llangedwyn
 * St David's Church, Connah's Quay
 * St Deiniols Ash
 * St Dunawd's Church
 * St Edmund's Church, Crickhowell
 * St Figael's Church, Llanfigael
 * St Garmon's Church, Llanarmon-yn-Iâl
 * St Gwenfaen's Well
 * St Illtyd's Church, Llantwit Major
 * St James House, Monmouth
 * St John's Church, Barmouth
 * St John the Baptist's Church, Old Colwyn
 * St Llwchaiarn's Church, Llanllwchaiarn
 * St Mark's Church, Brithdir
 * St Mary's Church, Betws Gwerful Goch
 * St Mary's Church, Cilcain
 * St Mary's Church, Derwen
 * St Mary's Church, Hay-on-Wye
 * St Mary's Church, Holyhead
 * St Matthew's Church, Buckley
 * St Mellons
 * St Michael's Church, Manafon
 * St Michael's Church, Trelawnyd
 * St Patrick's Roman Catholic Church, Grangetown
 * St Peter's Church, Carmarthen
 * St Peter's Church, Pentre
 * St Pierre Hotel Gatehouse
 * St Quintins Castle
 * St Stephen's Church, Old Radnor
 * St Tanwg's Church, Llandanwg
 * St Woolos Cemetery
 * Stanwell School
 * Stephanie Booth
 * Stephen Doughty
 * Steve Barwick
 * Steve Strange
 * Stevens Vehicles
 * Stradey Park
 * Suffragan Bishops Act 1534
 * Sully, Vale of Glamorgan
 * SuperTed
 * Supplication against the Ordinaries
 * Sustainability in Merthyr Tydfil
 * Suzanne Packer
 * Suzy Davies
 * Swansea Castle
 * Synod of Chester
 * Tabernacle Chapel, Llanelli
 * Tabernacle Chapel, Roath
 * Taff's Well Thermal Spring
 * Taffy Davies
 * Talhaearn Tad Awen
 * Tali Esen Morgan
 * Taron Egerton
 * Tasker Watkins
 * Taxation in Wales
 * Tayce
 * Teaching of Welsh history
 * Tecwyn Roberts
 * Temple Druid
 * Tenancy deposit scheme (England and Wales)
 * Tessie O'Shea
 * Tetha
 * The 1900 Island
 * The Ayatollah (football celebration)
 * The Cathedral School, Llandaff
 * The Expulsion of the Déisi
 * The Gelli
 * The Girls of Llanbadarn
 * The Hendre
 * The Indian Bean Tree, St James Square, Monmouth
 * The Magician Trilogy
 * The Maypole
 * The Midland, Wrexham
 * The Pact (British TV series)
 * The Passing (2015 film)
 * The Socially Distant Sports Bar
 * The Table (punk band)
 * The Toll (2021 film)
 * The Woodland Mass
 * Thereza Dillwyn Llewelyn
 * Thomas Eyton-Jones
 * Thomas Jones (artist)
 * Thomas Myddelton (younger)
 * Thomas Olivers
 * Thomas Picton
 * Thomas Rede
 * Thomas Richards (Tasmania)
 * Thomas Williams (Christadelphian)
 * Three Welsh Romances
 * Tidal Lagoon Swansea Bay
 * Timothy Kenrick
 * Timothy Richard
 * Tom Ellis (actor)
 * Tom Maynard
 * Tom Parry Jones
 * Tom Williams (rugby union, born 1859)
 * Torchwood: Children of Earth
 * Tosh Powell
 * Townhill, Swansea
 * Townshend Mainwaring
 * TrawsCymru
 * Trawsfynydd Camp railway station
 * Trearddur Bay Lifeboat Station
 * Trefecca Fawr
 * Treforest tinplate works
 * Trefriw
 * Tregwynt Mansion
 * Trelech (electoral ward)
 * Trellech
 * Tremadog
 * Treowen
 * Tripartite System of education in England, Wales and Northern Ireland
 * Trish Law
 * Tyddyngwyn railway station
 * Tyfrydog
 * Tywyn Wharf railway station
 * Tŷ Mawr Country Park
 * Tŷ Pawb
 * United Kingdom general election results in North Wales
 * University of Wales, Lampeter
 * Uplands, Swansea
 * Uzo Iwobi
 * Valentine Baker (pilot)
 * Vavasor Powell
 * Vaynor Park
 * Veritair
 * Victoria Pier, Colwyn Bay
 * Vinnie Jones
 * Virginia Crosbie
 * Voluntary intoxication in English law
 * WWE Clash at the Castle
 * Wales One World Film Festival
 * Wales Rally GB
 * Wales national amateur football team
 * Wales national cricket team
 * Wales national under-20 football team
 * Wales national wheelchair rugby league team
 * Wally the Walrus
 * Walter Clopton Wingfield
 * Water supply and sanitation in England and Wales
 * Welch Regiment War Memorial
 * Welcome to Wrexham
 * Welsh Church (Temporalities) Act 1919
 * Welsh Folk-Songs
 * Welsh Highland Railway
 * Welsh League
 * Welsh Memorial Park, Ypres
 * Welsh Professional Championship
 * Welsh Young Liberals
 * Welsh folk music
 * Welsh law
 * Welsh republicanism
 * Welsh stepdance
 * Welsh whisky
 * Welsh–Scottish League
 * West Wales and the Valleys
 * Western Animal Rights Network
 * Whitchurch, Cardiff
 * Whiteford Lighthouse
 * Whitewell, Wrexham
 * Wiliam Llŷn
 * William Barlow (bishop of Chichester)
 * William Bracewell
 * William Davies Shipley
 * William George (solicitor)
 * William Henry Harris (academic)
 * William Jones (Welsh radical)
 * William Laud
 * William Salesbury (of Rhug)
 * William Thomas (MP for Old Sarum and Downton)
 * William Thomas Rowland Powell
 * William Williams (missionary)
 * Willie Thomas (rugby union)
 * Wine from the United Kingdom
 * Winifred Hathaway
 * Winter & Williams Band
 * Wolfson Centre for Magnetics
 * Wrexham Cemetery
 * Wrexham General railway station
 * Wrexham Lager
 * Wrexham Library
 * Wrexham bus station
 * Wrysgan quarry
 * Wyelands
 * Wynnstay Arms Hotel, Wrexham
 * Y Blew
 * Y Bwthyn Bach
 * Y Goeden Eirin
 * Y Gymraes
 * Y Siambr (TV series)
 * Ynys Gybi (electoral ward)
 * Ynys Môn (UK Parliament constituency)
 * Ynysangharad War Memorial Park
 * Ynysboeth
 * Ynysybwl branch line railway
 * Yr Hen Gapel, Llanybri
 * Ysbyty Ifan
 * Zip World
 * Zoë Skoulding
 * All Saints' Church, Cellan
 * Alun Llywelyn-Williams
 * Baker Street drill hall, Abergavenny
 * Catherine Merriman
 * Children's Laureate Wales
 * Denys family of Siston
 * Dogmael
 * Huw Edwards
 * Jane Hutt
 * Janice Gregory
 * Kyntaw geir
 * Nod Glas Formation
 * North East Wales National Park
 * Peter Freeman (politician)
 * The Mirror (poem)
 * The Ploughman
 * The Poet's Burial for Love
 * The Poet and the Grey Friar
 * The Ruin (Dafydd ap Gwilym poem)
 * Thomas Carey Evans
 * White Book of Hergest
 * Ymadawiad Arthur
 * Ynni Cymru

Start-Class

 * Bangor, Gwynedd
 * Blaenau Gwent
 * Bridgend County Borough
 * Caerphilly County Borough
 * Conwy County Borough
 * Dafydd ap Llywelyn
 * Denbighshire
 * First Minister of Wales
 * Hen Wlad Fy Nhadau
 * Mid Glamorgan
 * Mid Wales
 * Monmouthshire
 * National Eisteddfod of Wales
 * Neath Port Talbot
 * South Glamorgan
 * Torfaen
 * Vale of Glamorgan
 * West Glamorgan
 * West Wales
 * Westgate Hotel
 * 1880–81 Home Nations rugby union matches
 * 1966 Carmarthen by-election
 * 1979 Welsh devolution referendum
 * 1997 Welsh devolution referendum
 * 2012 England and Wales police and crime commissioner elections
 * Alexander Cordell
 * Anarawd ap Rhodri
 * Archbishop of Wales
 * BBC National Orchestra of Wales
 * BBC Wales Today
 * Bangor Cathedral
 * Battle of Cadfan
 * Big Pit National Coal Museum
 * Blaenavon
 * Blaenavon Ironworks
 * Brecon
 * Brecon Beacons
 * Bryn Terfel
 * Cadw
 * Caerphilly cheese
 * Calon Lân
 * Cambrian Mountains
 * Capital of Wales
 * Cardigan Bay
 * Cerdd Dant
 * Chartism in Wales
 * Cledwyn Hughes, Baron Cledwyn of Penrhos
 * Coal industry in Wales
 * Commission on Devolution in Wales
 * Community (Wales)
 * Coracle
 * Crachach
 * Culture of Wales
 * Dafydd Iwan
 * Dafydd ap Gwilym
 * Daniel Owen
 * Deheubarth
 * Demographics of Wales
 * Denbighshire (historic)
 * Dyfed
 * Edgar Evans
 * Education in Wales
 * Emlyn Hooson, Baron Hooson
 * Flintshire (historic)
 * Geiriadur Prifysgol Cymru
 * George Vaughan Maddox
 * Gorsedd stones
 * Government of Wales Act 1998
 * Government of Wales Act 2006
 * Great Little Trains of Wales
 * Gwent (county)
 * Gwilym ap Tudur
 * Gwyn Nicholls
 * Gwyn Thomas (poet)
 * Harry Secombe
 * Hedd Wyn
 * Hiraeth
 * Holy Island, Anglesey
 * Honourable Society of Cymmrodorion
 * Hywel Dda
 * Ieuan Wyn Jones
 * Industrial Revolution in Wales
 * John Ceiriog Hughes
 * Ken Follett
 * KeolisAmey Wales
 * Kingdom of Dyfed
 * Kingdom of Gwent
 * Kyffin Williams
 * Laura Ashley (company)
 * Llanelli riots of 1911
 * Llywelyn ap Gruffydd Fychan
 * Local government in Wales
 * Lovespoon
 * Madog ap Llywelyn
 * Manufacturing in Wales
 * Marle Hall
 * Merionethshire
 * Merthyr Rising
 * Monarchy of the United Kingdom
 * Monmouth Regimental Museum
 * Montgomeryshire
 * National Museum Cardiff
 * National Theatre Wales
 * National symbols of Wales
 * Newport Cathedral
 * Newport Rising
 * Nonconformity in Wales
 * Norman invasion of Wales
 * Office of the Secretary of State for Wales
 * Owain Gwynedd
 * Pembrokeshire Coast National Park
 * Port Talbot Steelworks
 * Preserved counties of Wales
 * Primary education in Wales
 * R. Williams Parry
 * Rhodri Morgan
 * Rhys ap Tudur
 * Richard Wilson (painter)
 * River Taff
 * River Wye
 * Robert ap Huw
 * Royal Badge of Wales
 * Royal Welsh
 * Royal Welsh College of Music & Drama
 * Rugby league in Wales
 * Secondary education in Wales
 * Secretary of State for Wales
 * Seven Wonders of Wales
 * Sheep farming in Wales
 * Snowdon Massif
 * South East Wales
 * South Wales Coalfield
 * South West Wales
 * St Asaph Cathedral
 * St David's Day Agreement
 * St Fagans National Museum of History
 * St Giles' Church, Wrexham
 * Statute of Rhuddlan
 * Swansea.com Stadium
 * T. H. Parry-Williams
 * T. Llew Jones
 * Television in Wales
 * Theatr Genedlaethol Cymru
 * Tourism in Wales
 * Traditional festival days of Wales
 * University Hospital of Wales
 * University of South Wales
 * Waldo Williams
 * Wales A (Dragonhearts)
 * Wales Act 2014
 * Wales Act 2017
 * Wales Rugby League
 * Wales TUC
 * Wales in the Middle Ages
 * Wales in the early Middle Ages
 * Wales in the late Middle Ages
 * Welch Regiment
 * Well-being of Future Generations (Wales) Act 2015
 * Welsh-medium education
 * Welsh 3000s
 * Welsh Artist of the Year
 * Welsh Development Agency
 * Welsh Hound
 * Welsh Language Society
 * Welsh Office
 * Welsh Sheepdog
 * Welsh Youth Parliament
 * Welsh cake
 * Welsh heraldry
 * Welsh mythology
 * Welsh orthography
 * Welsh phonology
 * Welsh surnames
 * Welsh uprising of 1211
 * Western Mail (Wales)
 * William Graham (Welsh politician)
 * Wlpan
 * Work of William Burges at Cardiff Castle
 * Wrexham County Borough Council
 * 10th century in Wales
 * 13th century in Wales
 * 1700s in Wales
 * 1710s in Wales
 * 1725 in Wales
 * 1728 in Wales
 * 1729 in Wales
 * 1730 in Wales
 * 1730s in Wales
 * 1731 in Wales
 * 1733 in Wales
 * 1734 in Wales
 * 1735 in Wales
 * 1736 in Wales
 * 1738 in Wales
 * 1739 in Wales
 * 1740s in Wales
 * 1750s in Wales
 * 1760s in Wales
 * 1770 in Wales
 * 1770s in Wales
 * 1771 in Wales
 * 1772 in Wales
 * 1773 in Wales
 * 1774 in Wales
 * 1775 in Wales
 * 1776 in Wales
 * 1777 in Wales
 * 1778 in Wales
 * 1779 in Wales
 * 1780 in Wales
 * 1781 in Wales
 * 1782 in Wales
 * 1783 in Wales
 * 1784 in Wales
 * 1785 in Wales
 * 1786 in Wales
 * 1787 in Wales
 * 1788 in Wales
 * 1789 in Wales
 * 1790 in Wales
 * 1791 in Wales
 * 1792 in Wales
 * 1793 in Wales
 * 1794 in Wales
 * 1795 in Wales
 * 1796 in Wales
 * 1797 in Wales
 * 1798 in Wales
 * 1799 in Wales
 * 1800 in Wales
 * 1800s in Wales
 * 1801 in Wales
 * 1802 in Wales
 * 1803 in Wales
 * 1804 in Wales
 * 1805 in Wales
 * 1806 in Wales
 * 1807 in Wales
 * 1808 in Wales
 * 1809 in Wales
 * 1810 in Wales
 * 1810s in Wales
 * 1811 in Wales
 * 1812 in Wales
 * 1813 in Wales
 * 1814 in Wales
 * 1815 in Wales
 * 1816 in Wales
 * 1817 in Wales
 * 1818 in Wales
 * 1819 in Wales
 * 1820 in Wales
 * 1820s in Wales
 * 1821 in Wales
 * 1822 in Wales
 * 1823 in Wales
 * 1824 in Wales
 * 1825 in Wales
 * 1826 in Wales
 * 1827 in Wales
 * 1828 in Wales
 * 1829 in Wales
 * 1830 in Wales
 * 1830s in Wales
 * 1831 in Wales
 * 1832 in Wales
 * 1833 in Wales
 * 1834 in Wales
 * 1835 in Wales
 * 1836 in Wales
 * 1837 in Wales
 * 1838 in Wales
 * 1839 in Wales
 * 1840 in Wales
 * 1840s in Wales
 * 1841 in Wales
 * 1842 in Wales
 * 1843 in Wales
 * 1844 in Wales
 * 1845 in Wales
 * 1846 in Wales
 * 1847 in Wales
 * 1848 in Wales
 * 1849 in Wales
 * 1850 in Wales
 * 1850s in Wales
 * 1851 in Wales
 * 1852 in Wales
 * 1853 in Wales
 * 1854 in Wales
 * 1855 in Wales
 * 1856 in Wales
 * 1857 in Wales
 * 1858 in Wales
 * 1859 in Wales
 * 1860 in Wales
 * 1860s in Wales
 * 1861 in Wales
 * 1862 in Wales
 * 1863 in Wales
 * 1864 in Wales
 * 1865 in Wales
 * 1866 in Wales
 * 1867 in Wales
 * 1868 in Wales
 * 1869 in Wales
 * 1870 in Wales
 * 1870s in Wales
 * 1871 in Wales
 * 1872 in Wales
 * 1873 in Wales
 * 1874 in Wales
 * 1875 in Wales
 * 1876 in Wales
 * 1877 in Wales
 * 1878 in Wales
 * 1879 in Wales
 * 1880 in Wales
 * 1880s in Wales
 * 1881 in Wales
 * 1882 in Wales
 * 1883 in Wales
 * 1884 in Wales
 * 1885 in Wales
 * 1886 in Wales
 * 1887 in Wales
 * 1888 in Wales
 * 1889 in Wales
 * 1890 in Wales
 * 1890s in Wales
 * 1891 in Wales
 * 1892 in Wales
 * 1893 Home Nations Championship
 * 1893 in Wales
 * 1894 in Wales
 * 1895 in Wales
 * 1896 in Wales
 * 1897 in Wales
 * 1898 in Wales
 * 1899 in Wales
 * 1900 Home Nations Championship
 * 1900 in Wales
 * 1901 in Wales
 * 1902 Home Nations Championship
 * 1902 in Wales
 * 1903 in Wales
 * 1905 in Wales
 * 1906 Swansea earthquake
 * 1906 in Wales
 * 1908 Home Nations Championship
 * 1908 in Wales
 * 1909 Home Nations Championship
 * 1909 in Wales
 * 1910 in Wales
 * 1911 in Wales
 * 1912 in Wales
 * 1913 in Wales
 * 1914 in Wales
 * 1915 in Wales
 * 1916 in Wales
 * 1917 in Wales
 * 1918 in Wales
 * 1919 in Wales
 * 1920 in Wales
 * 1921 in Wales
 * 1922 in Wales
 * 1923 in Wales
 * 1924 in Wales
 * 1925 in Wales
 * 1926 in Wales
 * 1927 in Wales
 * 1928 in Wales
 * 1929 in Wales
 * 1930 in Wales
 * 1931 in Wales
 * 1932 in Wales
 * 1933 in Wales
 * 1934 in Wales
 * 1935 in Wales
 * 1936 in Wales
 * 1937 in Wales
 * 1938 in Wales
 * 1939 in Wales
 * 1940 in Wales
 * 1941 in Wales
 * 1943 in Wales
 * 1944 in Wales
 * 1946 in Wales
 * 1947 in Wales
 * 1948 in Wales
 * 1949 in Wales
 * 1950 in Wales
 * 1951 in Wales
 * 1952 in Wales
 * 1953 in Wales
 * 1954 in Wales
 * 1955 in Wales
 * 1956 in Wales
 * 1957 in Wales
 * 1958 in Wales
 * 1959 in Wales
 * 1960 in Wales
 * 1962 in Wales
 * 1963 in Wales
 * 1964 in Wales
 * 1965 in Wales
 * 1966 in Wales
 * 1967 in Wales
 * 1969 in Wales
 * 1970 in Wales
 * 1971 in Wales
 * 1972 in Wales
 * 1975 in Wales
 * 1977 in Wales
 * 1978 in Wales
 * 1979 in Wales
 * 1980 Welsh Cup final
 * 1980 in Wales
 * 1981 in Wales
 * 1982 in Wales
 * 1983 in Wales
 * 1984 in Wales
 * 1985 in Wales
 * 1995 Welsh Open (snooker)
 * 1999 National Assembly for Wales election
 * 2000 Welsh Cup final
 * 2001 Welsh Open (snooker)
 * 2002 Welsh Open (snooker)
 * 2003 National Assembly for Wales election
 * 2003 Welsh Open (snooker)
 * 2004 Welsh Open (snooker)
 * 2005 Welsh Open (snooker)
 * 2006 Welsh Open (snooker)
 * 2006–07 Celtic League
 * 2007–08 Celtic League
 * 2008 Welsh Open (snooker)
 * 2008 in Wales
 * 2008–09 Celtic League
 * 2009–10 Celtic League
 * 2010 Ryder Cup
 * 2010 in Wales
 * 2010–11 Celtic League
 * 2011 National Assembly for Wales election
 * 2011 Welsh Open (snooker)
 * 2011 in Wales
 * 2012 Welsh Open (snooker)
 * 2013 Swansea measles epidemic
 * 2013 Welsh Open (snooker)
 * 2014 Welsh Open (snooker)
 * 2014 in Wales
 * 2014–15 Cardiff City F.C. season
 * 2014–15 Swansea City A.F.C. season
 * 2014–15 Welsh Football League Division One
 * 2014–15 Welsh League Cup
 * 2015 Welsh Open (snooker)
 * 2015 in Wales
 * 2015–16 Cardiff City F.C. season
 * 2016 Welsh Open (snooker)
 * 2016–17 Cardiff City F.C. season
 * 2018–19 Scarlets season
 * 2021–22 Adran Premier
 * 2022–23 Adran Premier
 * 56 Group Wales
 * 9th century in Wales
 * A48(M) motorway
 * A487 road
 * A48 road
 * A55 road
 * A History of Monmouthshire from the Coming of the Normans into Wales down to the Present Time
 * A History of Wales (book)
 * Aberaeron
 * Aberavon
 * Aberavon RFC
 * Aberbargoed
 * Abercarn colliery disaster
 * Abercraf English
 * Aberdare Community School
 * Aberdare Urban District
 * Aberdyfi Castle
 * Abergavenny Bridge
 * Abergavenny Castle
 * Abergavenny Museum
 * Aberglaslyn Pass
 * Abernant Colliery
 * Abertillery
 * Aberystwith and Welsh Coast Railway
 * Aberystwyth Castle
 * Aberystwyth Town Council
 * Act of Senedd Cymru
 * Adam Jones (rugby union, born 1980)
 * Aeddan ap Blegywryd
 * Afan Forest Park
 * Afanc
 * Afon Glaslyn
 * Afon Lwyd
 * Afon Mawddach
 * Afon Ogwen
 * Afon Rheidol
 * Afon Tryweryn
 * Alan Curtis (footballer)
 * Alan Jones (cricketer, born 1938)
 * Alan Llwyd
 * Alan Thompson (broadcaster)
 * Alex Gordon (architect)
 * Alexandra Roach
 * Alfred Thomas, 1st Baron Pontypridd
 * All Wales Convention
 * All Wales Ethnic Minority Association
 * Alun Lewis (poet)
 * Alwyn Rice Jones
 * Amman Valley Railway
 * Amy Hawkins
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 * Ruth Jones (politician)
 * Ruth Reed
 * S4C Chwaraeon
 * Sain (record label)
 * Sam Vokes
 * Sarn Helen
 * Saundersfoot
 * Scheduled monuments in Powys
 * Scotch Cattle
 * Scrum V
 * Sean Moore (musician)
 * Second Morgan government
 * Segontium
 * Seisyll ap Dyfnwal
 * Seisyllwg
 * Senedd and Elections (Wales) Act 2020
 * Senghenydd
 * Sennybridge Training Area
 * Sessions House, Usk
 * Severn Estuary
 * Severn Tunnel Junction railway station
 * Shadow Cabinet of Wales
 * Shani Rhys James
 * Shrewsbury and Welshpool Railway
 * Shrewsbury–Chester line
 * Shân Cothi
 * Sid Judd
 * Sir John Wynn, 1st Baronet
 * Sketty (electoral ward)
 * Sophia Bulkeley
 * Sophie Ingle
 * South Stack Lighthouse
 * South Wales Argus
 * South Wales Coal Measures Group
 * South Wales Echo
 * South Wales Evening Post
 * South Wales Fire and Rescue Service
 * South Wales Metro
 * South Wales Miners' Federation
 * South Wales Police
 * South Wales Railway
 * South Wales Transport
 * Squash Wales
 * St. Thomas (electoral ward)
 * St Brynach Cross
 * St Cadfan's Church, Tywyn
 * St Clears
 * St Cwyfan's Church, Llangwyfan
 * St Cybi's Church
 * St David's Hall
 * St Davids Bishops Palace
 * St Davids and the Cathedral Close
 * St Fagans Castle
 * Statue of Charles Rolls, Monmouth
 * Stella (British TV series)
 * Steve Jones (runner)
 * Steve Martin (academic)
 * Steve Robinson (boxer)
 * Steve Speirs
 * Strata Florida Abbey
 * Stuart Cable
 * Sunday Closing (Wales) Act 1881
 * Swallow Falls
 * Swansea Bay
 * Swansea Bay University Health Board
 * Swansea Blitz
 * Swansea Market
 * Swansea RFC
 * Swansea The Mount railway station
 * Swansea and Mumbles Railway
 * Sybil Thomas, Viscountess Rhondda
 * Sycharth
 * Sydney Curnow Vosper
 * T. E. Ellis
 * Taith Joint Board
 * Tal-y-coed Court
 * Talerddig
 * Talgarth
 * Talhaiarn
 * Talley Abbey
 * Tanni Grey-Thompson
 * Tarenni Colliery
 * Techniquest
 * Teddy Morgan
 * Teifi Valley Railway
 * Tenby
 * Tenby Museum and Art Gallery
 * Tenby town walls
 * Terry Parsons
 * The Dispensary, Monmouth
 * The Dragon Has Two Tongues
 * The Indian Doctor
 * The Kymin
 * The Princess and the Goblin (film)
 * The Rolls Hall, Monmouth
 * The Silent Village
 * The Vale Resort
 * The Wave 96.4 FM
 * The Welsh at Mametz Wood (painting)
 * The White Swan Inn, Monmouth
 * Theatre of Wales
 * Third Morgan government
 * Thomas Charles
 * Thomas Howell (bishop)
 * Thomas Penson
 * Thomas Savin
 * Thomas Williams of Llanidan
 * Tinkinswood
 * Tir na n-Og Award
 * Titles of the Welsh Court
 * Tommy Vile
 * Ton Pentre
 * Tondu
 * Tonia Antoniazzi
 * Tonypandy
 * Tonypandy riots
 * Torfaen County Borough Council
 * Tower Colliery
 * Town and country planning in Wales
 * Townhill (electoral ward)
 * Trawsfynydd nuclear power station
 * Trealaw
 * Treforest
 * Tregwynt Hoard
 * Treherbert
 * Treorchy
 * Tresilian Bay
 * Tretower Castle
 * Triple harp
 * Trostre Steelworks
 * Troy House
 * Trunk road agent
 * Tryfan
 * Tryweryn flooding
 * Tudor Owen (actor)
 * Tudors of Penmynydd
 * Twelve Knights of Glamorgan
 * Tŷ Hafan
 * Tŷ Hywel
 * Undeb Cymru Fydd
 * Underwood, Newport
 * Undy
 * Unionism in Wales
 * University Hospital Llandough
 * University of Wales Registry
 * Uplands (electoral ward)
 * Upper Boat Studios
 * Urdd Gobaith Cymru
 * Urdd National Eisteddfod
 * Urdd Peace and Goodwill Message
 * Usk
 * Usk Castle
 * Vale of Ewyas
 * Vale of Glamorgan Council
 * Vale of Glamorgan Festival
 * Vale of Neath
 * Vale of Neath Railway
 * Valerie Davies
 * Vaughan Roderick
 * Velindre Cancer Centre
 * Venta Silurum
 * Victoria Terrace, Beaumaris
 * Visit Wales
 * Vivian Hewitt
 * Vortimer
 * W. H. Davies
 * W. J. Gruffydd
 * WJEC (exam board)
 * WRU Division Three East
 * WRU Division Three West
 * WRU League 1 East
 * WRU League 2 East
 * Wales A national rugby union team
 * Wales Act 1978
 * Wales Book of the Year
 * Wales Coast Path
 * Wales Empire Pool
 * Wales Green Party
 * Wales Institute for Sustainable Education
 * Wales International Academy of Voice
 * Wales Open
 * Wales Route Utilisation Strategy
 * Wales and Berwick Act 1746
 * Wales and Borders
 * Wales at the 2011 Commonwealth Youth Games
 * Wales men's national squash team
 * Wales national rugby sevens team
 * Wales national under-21 football team
 * Wales women's national field hockey team
 * Wales women's national football team
 * Wales women's national rugby union team
 * Walter Coffin
 * Walter Cradock
 * Water privatisation in England and Wales
 * Waterfall Country (Wales)
 * Welsh 1000 m Peaks Race
 * Welsh Agricultural College
 * Welsh Ambulance Service
 * Welsh Americans
 * Welsh Baccalaureate
 * Welsh Bicknor
 * Welsh Braille
 * Welsh Canadians
 * Welsh Championship
 * Welsh Cup
 * Welsh Folk Dance Society
 * Welsh Football League
 * Welsh Football League Division One
 * Welsh Government traffic officer
 * Welsh Grand National
 * Welsh Historic Gardens Trust
 * Welsh Intermediate Education Act 1889
 * Welsh Language Board
 * Welsh Language Commissioner
 * Welsh Marches line
 * Welsh Mountain Zoo
 * Welsh Mountain sheep
 * Welsh National War Memorial
 * Welsh Presbyterian Chapel, Charing Cross Road
 * Welsh Rarebit (radio programme)
 * Welsh Revenue Authority
 * Welsh Sinfonia
 * Welsh Sports Hall of Fame
 * Welsh Wikipedia
 * Welsh bagpipes
 * Welsh coal strike of 1898
 * Welsh dance
 * Welsh gold
 * Welsh hat
 * Welsh history in Chicago
 * Welsh numerals
 * Welsh poetry
 * Welsh pop and rock music
 * Welsh rebellions against English rule
 * Welsh rugby union system
 * Welsh settlement in the Americas
 * Welshpool and Llanfair Light Railway
 * Weobley Castle, Gower
 * When Was Wales?
 * Wild Wales
 * William Cope, 1st Baron Cope
 * William Haggar
 * William Henry Preece
 * William Jenkins (coal merchant)
 * William Mathias
 * William Menelaus
 * William Powell (Liberal Democrat politician)
 * William Salesbury
 * William Williams (Caledfryn)
 * William Wroth
 * Williams baronets
 * Willie Llewellyn
 * Wilmot Vaughan, 1st Earl of Lisburne
 * Workingman's Institute and Memorial Hall
 * Wrexham, Mold and Connah's Quay Railway
 * Wrexham Maelor Hospital
 * Wrexham and Ellesmere Railway
 * Wylfa nuclear power station
 * Wyn Roberts, Baron Roberts of Conwy
 * Y Byd
 * Y Cymro
 * Y Fro Gymraeg
 * Y Lle Celf
 * Ye Olde Murenger House
 * Yes for Wales
 * Ynyslas Sand Dunes
 * Ysgol Gymraeg Aberystwyth
 * Ysgol Uwchradd Bodedern
 * Ystrad Mynach
 * Ystradfellte Reservoir
 * Ystradgynlais
 * Ystradyfodwg
 * .cymru
 * 100 Great Welsh Women
 * 102.5 Radio Pembrokeshire
 * 14 Beaufort Square, Chepstow
 * 1707 in Wales
 * 1708 in Wales
 * 1709 in Wales
 * 1710 in Wales
 * 1711 in Wales
 * 1712 in Wales
 * 1713 in Wales
 * 1714 in Wales
 * 1715 in Wales
 * 1716 in Wales
 * 1723 in Wales
 * 1837 Anglesey by-election
 * 1857 Carmarthenshire by-election
 * 1861 Pembrokeshire by-election
 * 1876 Carmarthen Boroughs by-election
 * 1878 Carmarthen Boroughs by-election
 * 1881–82 Home Nations rugby union matches
 * 1881–82 Welsh Cup
 * 1884 Home Nations Championship
 * 1885 Home Nations Championship
 * 1886 Home Nations Championship
 * 1887 Cardiff Town Council election
 * 1887 Home Nations Championship
 * 1888 Home Nations Championship
 * 1889 Cardiff County Borough Council election
 * 1889 Carmarthenshire County Council election
 * 1889 Home Nations Championship
 * 1890 Caernarvon Boroughs by-election
 * 1890 Cardiff County Borough Council election
 * 1890 Home Nations Championship
 * 1891 Home Nations Championship
 * 1892 Cardiff County Borough Council election
 * 1892 Carmarthenshire County Council election
 * 1892 Home Nations Championship
 * 1894 Carmarthen Rural District Council election
 * 1894 Home Nations Championship
 * 1894 Ystradyfodwg Urban District Council election
 * 1895 Carmarthenshire County Council election
 * 1895 Home Nations Championship
 * 1895–96 Welsh Cup
 * 1896 Home Nations Championship
 * 1896 Welsh Cup final
 * 1897 Home Nations Championship
 * 1898 Glamorgan County Council election
 * 1898 Home Nations Championship
 * 1899 Home Nations Championship
 * 1901 Glamorgan County Council election
 * 1901 Home Nations Championship
 * 1903 Home Nations Championship
 * 1904 Aberdare Urban District Council election
 * 1904 Home Nations Championship
 * 1906 Aberdare Urban District Council election
 * 1906 Home Nations Championship
 * 1907 Aberdare Urban District Council election
 * 1907 Home Nations Championship
 * 1907–08 Welsh Amateur Cup
 * 1908 Aberdare Urban District Council election
 * 1908–09 Welsh Amateur Cup
 * 1909 Aberdare Urban District Council election
 * 1910 Aberdare Urban District Council election
 * 1910 Glamorgan County Council election
 * 1910 Swansea District by-election
 * 1911 South Wales anti-Jewish riots
 * 1912 Carmarthen District by-election
 * 1912 East Carmarthenshire by-election
 * 1912–13 Newport County A.F.C. season
 * 1913–14 Newport County A.F.C. season
 * 1914–15 Cardiff City F.C. season
 * 1914–15 Newport County A.F.C. season
 * 1917 South Monmouthshire by-election
 * 1919 Carmarthen Rural District Council election
 * 1919 Glamorgan County Council election
 * 1919 Swansea East by-election
 * 1919–20 Cardiff City F.C. season
 * 1919–20 Newport County A.F.C. season
 * 1920 Cardiff City Council election
 * 1920 Rhondda West by-election
 * 1920–21 Newport County A.F.C. season
 * 1921–22 Newport County A.F.C. season
 * 1922 Newport by-election
 * 1922–23 Newport County A.F.C. season
 * 1923–24 Newport County A.F.C. season
 * 1924 Carmarthen by-election
 * 1924–25 Newport County A.F.C. season
 * 1925 Llandeilo Rural District Council election
 * 1925–26 Newport County A.F.C. season
 * 1926–27 Newport County A.F.C. season
 * 1927–28 Newport County A.F.C. season
 * 1928 Cardiff City Council election
 * 1928 Carmarthen by-election
 * 1928 Welsh Cup final
 * 1928–29 Newport County A.F.C. season
 * 1929–30 Newport County A.F.C. season
 * 1930–31 Newport County A.F.C. season
 * 1931–32 Cardiff City F.C. season
 * 1931–32 Newport County A.F.C. season
 * 1931–32 Welsh Cup
 * 1932–33 Cardiff City F.C. season
 * 1932–33 Newport County A.F.C. season
 * 1932–33 Welsh Cup
 * 1933 Rhondda East by-election
 * 1933–34 Newport County A.F.C. season
 * 1933–34 Welsh Cup
 * 1934 Merthyr by-election
 * 1934–35 Newport County A.F.C. season
 * 1934–35 Welsh Cup
 * 1935–36 Cardiff City F.C. season
 * 1935–36 Newport County A.F.C. season
 * 1936–37 Cardiff City F.C. season
 * 1936–37 Newport County A.F.C. season
 * 1937 Library (Swansea University)
 * 1937–38 Cardiff City F.C. season
 * 1937–38 Newport County A.F.C. season
 * 1938–39 Newport County A.F.C. season
 * 1939 Caerphilly by-election
 * 1939–40 Newport County A.F.C. season
 * 1940 Swansea East by-election
 * 1941 Carmarthen by-election
 * 1943 University of Wales by-election
 * 1945 Caernarvon Boroughs by-election
 * 1945 Newport by-election
 * 1945–46 Newport County A.F.C. season
 * 1946–47 Cardiff City F.C. season
 * 1946–47 Newport County A.F.C. season
 * 1947–48 Cardiff City F.C. season
 * 1948–49 Cardiff City F.C. season
 * 1948–49 Newport County A.F.C. season
 * 1949–50 Cardiff City F.C. season
 * 1949–50 Newport County A.F.C. season
 * 1950 Abertillery by-election
 * 1950–51 Newport County A.F.C. season
 * 1951–52 Newport County A.F.C. season
 * 1952–53 Newport County A.F.C. season
 * 1953–54 Newport County A.F.C. season
 * 1954 Aberdare by-election
 * 1954–55 Newport County A.F.C. season
 * 1955 Wrexham by-election
 * 1955–56 Newport County A.F.C. season
 * 1956–57 Newport County A.F.C. season
 * 1957 Carmarthen by-election
 * 1957–58 Newport County A.F.C. season
 * 1958–59 Newport County A.F.C. season
 * 1959–60 Newport County A.F.C. season
 * 1960–61 Newport County A.F.C. season
 * 1960–61 Welsh Cup
 * 1961–62 Newport County A.F.C. season
 * 1962–63 Newport County A.F.C. season
 * 1963 Swansea East by-election
 * 1963–64 Newport County A.F.C. season
 * 1964–65 Newport County A.F.C. season
 * 1965–66 Newport County A.F.C. season
 * 1966–67 Newport County A.F.C. season
 * 1967 Glamorgan County Council election
 * 1967–68 Newport County A.F.C. season
 * 1968 Wales rugby union tour of Argentina
 * 1968–69 Newport County A.F.C. season
 * 1969–70 Newport County A.F.C. season
 * 1970–71 Newport County A.F.C. season
 * 1972 World Amateur Snooker Championship
 * 1972–73 Newport County A.F.C. season
 * 1973 South Glamorgan County Council election
 * 1973–74 Newport County A.F.C. season
 * 1974–75 Newport County A.F.C. season
 * 1975–76 Newport County A.F.C. season
 * 1976–77 Cardiff City F.C. season
 * 1976–77 Newport County A.F.C. season
 * 1977 South Glamorgan County Council election
 * 1977–78 Newport County A.F.C. season
 * 1978–79 Newport County A.F.C. season
 * 1979–80 Newport County A.F.C. season
 * 1979–80 Welsh Cup
 * 1980–81 Newport County A.F.C. season
 * 1981 South Glamorgan County Council election
 * 1981–82 Newport County A.F.C. season
 * 1982–83 Newport County A.F.C. season
 * 1983 Carmarthen District Council election
 * 1983 Preseli District Council election
 * 1986–87 Newport County A.F.C. season
 * 1987 Carmarthen District Council election
 * 1987 Ceredigion District Council election
 * 1987 Dinefwr Borough Council election
 * 1987–88 Newport County A.F.C. season
 * 1988 Wales rugby union tour of New Zealand
 * 1988–89 Newport County A.F.C. season
 * 1990 Wales rugby union tour of Namibia
 * 1991 Carmarthen District Council election
 * 1991 Dinefwr Borough Council election
 * 1991 Plaid Cymru presidential election
 * 1991 Preseli Pembrokeshire District Council election
 * 1992–93 League of Wales
 * 1993 Dyfed County Council election
 * 1994 Pontins Professional
 * 1995 Carmarthenshire County Council election
 * 1995 Powys County Council election
 * 1995 Wales rugby union tour of South Africa
 * 1996 South Africa rugby union tour of Argentina and Europe
 * 1996 Wales rugby union tour of Australia
 * 1997 United States rugby union tour of Wales
 * 1997 Wales rugby union tour of North America
 * 1998 Pontins Professional
 * 1998 Welsh Labour leadership election
 * 1999 Carmarthenshire County Council election
 * 1999 Neath Port Talbot County Borough Council election
 * 1999 Pontins Professional
 * 1999 Powys County Council election
 * 1999 World Professional Pool Championship
 * 1–6 Priory Street, Monmouth
 * 2000 Pontins Professional
 * 2001 Cardiff Sevens
 * 2001 Swansea East by-election
 * 2001 United Kingdom general election in Wales
 * 2001–02 Celtic League
 * 2002 Ogmore by-election
 * 2002 Wales rugby union tour of South Africa
 * 2002–03 Celtic League
 * 2003–04 Celtic League
 * 2003–04 Llanelli Scarlets season
 * 2003–04 in Welsh football
 * 2004 Bridgend County Borough Council election
 * 2004 Cardiff Council election
 * 2004 Carmarthenshire County Council election
 * 2004 City and County of Swansea Council election
 * 2004 Neath Port Talbot County Borough Council election
 * 2004 Newport City Council election
 * 2004 Powys County Council election
 * 2004 Vale of Glamorgan Council election
 * 2004 Wales Rally GB
 * 2004 Wales rugby union tour of Argentina and South Africa
 * 2004–05 Celtic League
 * 2004–05 Llanelli Scarlets season
 * 2005–06 Celtic League
 * 2005–06 Llanelli Scarlets season
 * 2006–07 Llanelli Scarlets season
 * 2006–07 Welsh League Cup
 * 2006–07 in Welsh rugby union
 * 2007 FAW Premier Cup final
 * 2007–08 FAW Premier Cup
 * 2007–08 Welsh Cup
 * 2007–08 Welsh Premier League
 * 2008 Carmarthenshire County Council election
 * 2008 City and County of Swansea Council election
 * 2008 Conwy County Borough Council election
 * 2008 FAW Premier Cup final
 * 2008 Neath Port Talbot County Borough Council election
 * 2008 Newport City Council election
 * 2008 Powys County Council election
 * 2008 Vale of Glamorgan Council election
 * 2008 Wales rugby union tour of South Africa
 * 2008 Welsh local elections
 * 2008–09 Principality Premiership
 * 2008–09 Welsh Premier League
 * 2009 Welsh Labour leadership election
 * 2009 Welsh Open (snooker)
 * 2009–10 British and Irish Cup
 * 2009–10 Principality Premiership
 * 2009–10 Welsh League Cup group stage
 * 2009–10 Welsh Premier League
 * 2009–10 Welsh Premier Women's League
 * 2010 Celtic League Grand Final
 * 2010 Welsh Cup final
 * 2010–11 British and Irish Cup
 * 2010–11 Principality Premiership
 * 2010–11 Welsh Alliance League
 * 2010–11 Welsh Cup
 * 2010–11 Welsh Football League Division One
 * 2010–11 Welsh Premier League
 * 2011 Celtic League Grand Final
 * 2011 Wales Rally GB
 * 2011 Welsh devolution referendum
 * 2011–12 British and Irish Cup
 * 2011–12 Pro12
 * 2011–12 Welsh Cup
 * 2011–12 Welsh Premier League
 * 2012 Carmarthenshire County Council election
 * 2012 Ceredigion County Council election
 * 2012 City and County of Swansea Council election
 * 2012 International Rugby Series
 * 2012 Newport City Council election
 * 2012 North Wales Crusaders season
 * 2012 Powys County Council election
 * 2012 Welsh local elections
 * 2012–13 British and Irish Cup
 * 2012–13 LV Cup
 * 2012–13 Pro12
 * 2012–13 Welsh Premier League
 * 2013 Football League Cup final
 * 2013 Great Britain and Ireland heatwave
 * 2013 North Wales Crusaders season
 * 2013 Wales rugby union tour of Japan
 * 2013–14 British and Irish Cup
 * 2013–14 LV Cup
 * 2013–14 Premier League
 * 2013–14 Pro12
 * 2013–14 Scarlets season
 * 2013–14 Swansea City A.F.C. season
 * 2013–14 Welsh Premier League
 * 2013–14 Welsh Premier Women's League
 * 2013–14 Welsh Women's Cup
 * 2013–2014 Atlantic winter storms in Europe
 * 2014 IPC Athletics European Championships
 * 2014 Premiership Rugby Sevens Series
 * 2014 Tour of Britain
 * 2014 Wales rugby union tour of South Africa
 * 2014–15 British and Irish Cup
 * 2014–15 Cymru Alliance
 * 2014–15 FA Cup qualifying rounds
 * 2014–15 LV Cup
 * 2014–15 Pro12
 * 2014–15 Welsh Premier Women's League
 * 2015 Championship 1
 * 2015 Minor Counties Championship
 * 2015 Premiership Rugby Sevens Series
 * 2015 Tour of Britain
 * 2015 United Kingdom general election in Wales
 * 2015 World Grand Prix
 * 2015–16 British and Irish Cup
 * 2015–16 Pro12
 * 2015–16 WRU Challenge Cup
 * 2015–16 Welsh League Cup
 * 2015–16 Welsh Premier League
 * 2015–16 Welsh Premier Women's League
 * 2016 Minor Counties Championship
 * 2016 National Assembly for Wales election
 * 2016 Tour of Britain
 * 2016 Wales rugby union tour of New Zealand
 * 2016 World Grand Prix
 * 2016–17 Anglo-Welsh Cup
 * 2016–17 British and Irish Cup
 * 2016–17 EFL Cup
 * 2016–17 Principality Premiership
 * 2016–17 Pro12
 * 2016–17 WRU Championship
 * 2016–17 Welsh League Cup
 * 2016–17 Welsh Premier League
 * 2017 Bridgend County Borough Council election
 * 2017 Denbighshire County Council election
 * 2017 Extreme Sailing Series
 * 2017 Isle of Anglesey County Council election
 * 2017 Minor Counties Championship
 * 2017 Newport City Council election
 * 2017 Players Championship (snooker)
 * 2017 Tour of Britain
 * 2017 Wales Rally GB
 * 2017 Wales rugby union tour of Tonga and Samoa
 * 2017 Welsh Open (snooker)
 * 2017 Wrexham County Borough Council election
 * 2017–18 Anglo-Welsh Cup
 * 2017–18 British and Irish Cup
 * 2017–18 Cardiff City F.C. season
 * 2017–18 EFL Cup
 * 2017–18 English Football League
 * 2017–18 FAW Women's Cup
 * 2017–18 Principality Premiership
 * 2017–18 Pro14
 * 2017–18 Scarlets season
 * 2017–18 WRU Championship
 * 2017–18 Welsh Premier League
 * 2018 Alyn and Deeside by-election
 * 2018 Green Party of England and Wales leadership election
 * 2018 Minor Counties Championship
 * 2018 Plaid Cymru leadership election
 * 2018 Players Championship (snooker)
 * 2018 Tour of Britain
 * 2018–19 EFL Cup
 * 2018–19 English Football League
 * 2018–19 FAW Women's Cup
 * 2018–19 Principality Premiership
 * 2018–19 WRU Championship
 * 2018–19 Welsh League Cup
 * 2018–19 Welsh Premier League
 * 2019 Inter Games Football Tournament
 * 2019 Minor Counties Championship
 * 2019 South Wales paternal sex abuse case
 * 2019–20 Cymru North
 * 2019–20 Cymru Premier
 * 2019–20 EFL Cup
 * 2019–20 English Football League
 * 2019–20 Indigo Group Premiership
 * 2019–20 WRU Championship
 * 2019–20 Welsh League Cup
 * 2020 Wales Rally GB
 * 2020–21 Cymru North
 * 2020–21 Cymru Premier
 * 2020–21 English Football League
 * 2020–21 National League
 * 2020–21 Welsh League Cup
 * 2021 Curtis Cup
 * 2021 English Football League play-offs
 * 2021 National Counties Championship
 * 2021–22 Cymru North
 * 2021–22 English Football League
 * 2021–22 Scarlets season
 * 2021–22 United Rugby Championship
 * 2021–22 Wrexham A.F.C. season
 * 2022 European Ladies' Team Championship
 * 2022 National Counties Championship
 * 2022 Newport City Council election
 * 2022 Rhondda Cynon Taf County Borough Council election
 * 2022 Welsh local elections
 * 2022 in Wales
 * 2022–23 Ardal NE
 * 2022–23 Ardal NW
 * 2022–23 Ardal SE
 * 2022–23 Ardal SW
 * 2022–23 Cymru Premier
 * 2022–23 FA Vase
 * 2022–23 Indigo Group Premiership
 * 2022–23 Scarlets season
 * 2022–23 WRU Championship
 * 2022–23 in Welsh football
 * 2023 Cardiff Cross Challenge
 * 2023 Six Nations Championship
 * 2023 in Wales
 * 2023–24 Ardal SW
 * 2023–24 Premier League Cup
 * 2023–24 Scarlets season
 * 2023–24 in Welsh football
 * 2024 Welsh Labour leadership election
 * 203 (Welsh) Multi-Role Medical Regiment
 * 2353 (Ystrad Mynach) Squadron ATC
 * 27 Old Market Street, Usk
 * 2CV 24 Hour Race
 * 2 & 2A Well Street, Ruthin
 * 2 Grosvenor Road, Wrexham
 * 30 Bridge Street, Usk
 * 33 Whitecross Street, Monmouth
 * 9 Agincourt Street, Monmouth
 * A.F.C. Porth
 * A. H. Dodd
 * A4042 road
 * A4059 road
 * A4069 road
 * A4107 road
 * A4119 road
 * A4138 road
 * A4160 road
 * A4161 road
 * A4214 road
 * A4216 road
 * A4221 road
 * A4226 road
 * A4230 road
 * A4240 road
 * A4241 road
 * A465 road
 * A473 road
 * A474 road
 * A475 road
 * A477 road
 * A479 road
 * A481 road
 * A482 road
 * A483 road
 * A485 road
 * A493 road
 * A496 road
 * A5025 road
 * A Child's Christmas in Wales
 * Aaron Lewis (footballer)
 * Aaron Morris (footballer)
 * Abbey Cwmhir Hall
 * Abbey Hotel, Llanthony Priory
 * Abbey of St Mary, St Dogmaels
 * Abbie Trayler-Smith
 * Abdulrahim Abby Farah
 * Abenbury
 * Aber Afon Seiont
 * Aber Falls
 * Aber Taf
 * Aber railway station
 * Aber railway station (Gwynedd)
 * Aberaman Hall and Institute
 * Aberaman North
 * Aberangell railway station
 * Aberavon (electoral ward)
 * Aberavon Beach
 * Aberbargoed Grasslands
 * Aberbechan Hall
 * Aberbeeg
 * Abercanaid
 * Abercarn
 * Abercarn railway station
 * Abercastle
 * Aberconwy Abbey
 * Aberconwy House
 * Abercorris quarry
 * Abercraf
 * Abercraf transmitting station
 * Abercregan
 * Abercwmboi
 * Abercwmeiddaw quarry
 * Abercych
 * Abercynllaith
 * Abercynon
 * Abercynon Colliery
 * Aberdare, Merthyr and Dowlais Miners' Association
 * Aberdare (UK Parliament constituency)
 * Aberdare Athletic F.C.
 * Aberdare East
 * Aberdare General Hospital
 * Aberdare Girls' School
 * Aberdare Hall
 * Aberdare Local Board of Health
 * Aberdare RFC
 * Aberdare RLFC
 * Aberdare School Board
 * Aberdare Town (electoral ward)
 * Aberdare West
 * Aberdare railway station
 * Aberdovey Lifeboat Station
 * Aberdovey railway station
 * Aberdulais
 * Aberdulais Falls
 * Aberedw Castle
 * Abereiddy
 * Abererch railway station
 * Aberfan Cemetery
 * Abergavenny Brecon Road railway station
 * Abergavenny Food Festival
 * Abergavenny Hundred
 * Abergavenny Junction railway station
 * Abergavenny Priory Deer Park
 * Abergavenny RFC
 * Abergavenny Thursdays F.C.
 * Abergavenny Town Hall
 * Abergavenny railway station
 * Abergavenny town walls
 * Abergavenny transmitting station
 * Abergele
 * Abergele & Pensarn railway station
 * Abergele Golf Club
 * Abergele Hospital
 * Aberglaslyn Hall
 * Aberglasney
 * Abergwili
 * Abergwili Junction railway station
 * Abergwyngregyn
 * Abergynolwyn
 * Aberkenfig
 * Aberllefenni
 * Aberllefenni quarries
 * Abermawr
 * Abermorddu
 * Abermule railway station
 * Abernant, Rhondda Cynon Taf
 * Aberpergwm House
 * Aberporth
 * Abersoch
 * Abersychan
 * Abersychan and Talywain railway station
 * Aberthaw
 * Aberthaw Cement Works
 * Aberthaw power stations
 * Aberthin
 * Abertillery (UK Parliament constituency)
 * Abertillery RFC
 * Abertillery railway station
 * Abertoir
 * Abertysswg
 * Aberysgir Castle
 * Aberystruth
 * Aberystwyth Arts Centre
 * Aberystwyth Cliff Railway
 * Aberystwyth League
 * Aberystwyth Lifeboat Station
 * Aberystwyth Sea2shore Food Festival
 * Aberystwyth Town Hall
 * Aberystwyth Town Ladies F.C.
 * Aberystwyth and Tregaron Bank
 * Abraham Matthews
 * Abraham Rees
 * Academic dress of the University of Wales
 * Academy of Medical Educators, United Kingdom
 * Acton, Wrexham
 * Adam Alexander (horticulturalist)
 * Adam Birchall
 * Adam Davies (footballer, born 1992)
 * Adam Harrison
 * Adam Matthews
 * Adar Rhiannon
 * Adequate Seven
 * Aderyn y Corff
 * Adi Taviner
 * Admiralty Arch, Holyhead
 * Adran Premier
 * Adre (TV series)
 * Adrian Dingle (artist)
 * Adrian Lewis Morgan
 * Adult Learning Wales
 * Adventure Parc Snowdonia
 * Adwaith
 * Aerdeyrn
 * Aeron (kingdom)
 * Aeron Express
 * Aethwy (electoral ward)
 * Afan Lido F.C.
 * Afon Braint
 * Afon Cennen
 * Afon Clarach
 * Afon Clywedog
 * Afon Col-huw
 * Afon Crafnant
 * Afon Cych
 * Afon Dulas, Llanidloes
 * Afon Dwyfor
 * Afon Fathew
 * Afon Gyffin
 * Afon Hepste
 * Afon Irfon
 * Afon Llyfnant
 * Afon Marlais, Pembrokeshire
 * Afon Sychryd
 * Afon Twrch
 * Afon Wen
 * Afon Wen railway station
 * Agincourt House, Monmouth
 * Agnes Twiston Hughes
 * Air Wales
 * Air Wales (1977)
 * Airbus UK Broughton F.C.
 * Airways International Cymru
 * Alan David (actor)
 * Alan Fine (writer)
 * Alan Holmes
 * Alan Morgan (footballer, born 1973)
 * Alan P. F. Sell
 * Alan Petherbridge
 * Albert Gubay
 * Albert L. Harris
 * Albert Owen
 * Albert Powell (footballer)
 * Albion
 * Albion Ale House
 * Albion Colliery
 * Albion Glacigenic Group
 * Albro Castle
 * Alec Jones
 * Alec Templeton
 * Aled Brew
 * Aled Davies (field athlete)
 * Aled Haydn Jones
 * Aled Jones
 * Aled Roberts
 * Aled Rural District
 * Aleighcia Scott
 * Alex Bray
 * Alex Davies-Jones
 * Alex Gerrard (rugby league)
 * Alex Griffiths (cricketer)
 * Alex Horton
 * Alex Penny
 * Alexa Davies
 * Alexander Jones (footballer)
 * Alexander Vlahos
 * Alexandra (Penarth electoral ward)
 * Alexandra Boyd
 * Alf Higgs
 * Alf Morgans
 * Alffa
 * Alfred Brice
 * Alfred Cattell
 * Alfred Davies (footballer)
 * Alfred Mathews
 * Alfred Neobard Palmer
 * Alfred Ollivant (bishop)
 * Alfred Onions
 * Algernon Islay de Courcy Lyons
 * Alia Syed
 * Alice Gray Jones
 * Alice Griffiths
 * Alice Thomas Ellis
 * Alice Williams (welfare worker)
 * Alison Statton
 * All Saints' Church, Oystermouth
 * All Saints Church, Ammanford
 * All Saints Church, Deganwy
 * All Saints Church, Higher Kinnerton
 * All Saints Church, Porthcawl
 * All Saints Primary School, Gresford
 * All Souls Chapel (Cardiff)
 * Allan Jones (footballer, born 1940)
 * Allan Rogers
 * Allan Watson (American football)
 * Allan Yn Y Fan
 * Allen Forward
 * Allen Raine
 * Allt-y-Bela
 * Allt y Gaer
 * Allt y wern
 * Allt yr Esgair
 * Alltami
 * Alltwalis
 * Alltwen
 * Alltwen television relay station
 * Altaf Hussain (Welsh politician)
 * Alun Cairns
 * Alun Evans (FAW)
 * Alun Ffred Jones
 * Alun Gwynne Jones, Baron Chalfont
 * Alun Hoddinott
 * Alun Huw Davies
 * Alun Richards
 * Alun School
 * Alwen Reservoir
 * Alwyn Jones (biophysicist)
 * Alwyn Sheppard Fidler
 * Alwyn Williams (geologist)
 * Alyn and Deeside (UK Parliament constituency)
 * Alys ferch Owain Glyndŵr
 * Amaethon
 * Amanda Bennett (rugby union)
 * Amanda Sater, Baroness Sater
 * Ambleston
 * Ambrose Bebb
 * Amelia Womack
 * Amlwch
 * Amlwch Lighthouse
 * Amlwch Town F.C.
 * Amman Valley Hospital
 * Ammanford Urban District Council
 * Ammanford railway station
 * Amroth
 * Amroth Castle
 * Amy Boulden
 * Amy Evans (rugby union)
 * Amy King (cyclist)
 * Amy Parry-Williams
 * Amy Roberts
 * Anarawd ap Gruffydd
 * Ancient Monuments Society
 * Andrea Byrne
 * Andrea Worrall
 * Andrew Davies (darts player)
 * Andrew Dawes (brigadier)
 * Andrew Jones (filmmaker)
 * Andrew Lamerton
 * Andrew Phillip Smith
 * Andrew RT Davies
 * Andrew Selby
 * Andrews Windsor
 * Andy Dibble
 * Andy Dunbobbin
 * Andy John
 * Andy Marriott
 * Andy Newman
 * Andy Pollitt
 * Andy Scott-Lee
 * Andy Vores
 * Andy Whitfield
 * Aneirin
 * Aneurin Barnard
 * Aneurin Rees
 * Angela Kwok
 * Angela V. John
 * Angharad
 * Angharad Davies
 * Angharad James (poet)
 * Angharad Llwyd
 * Angharad Mason
 * Angharad Rees
 * Angharad ferch Owain
 * Angle, Pembrokeshire
 * Angle Lifeboat Station
 * Anglesey Airport
 * Anglesey Aluminium
 * Anglesey Circuit
 * Anglesey Constabulary
 * Anglesey Oyster & Welsh Produce Festival
 * Anglesey Sea Zoo
 * Anglo-Welsh Cup
 * Anian (bishop of Bangor)
 * Animal Wall
 * Anita Thapar
 * Anka Bergman
 * Ann Maddocks
 * Ann Moray
 * Anna Fison
 * Anna Harris
 * Anna Kashfi
 * Anna Laetitia Waring
 * Anna Maria Bennett
 * Annales Cambriae
 * Anne Borsay
 * Anne Ceridwen Rees
 * Anne Denholm
 * Anne King, Baroness King
 * Annette Bryn Parri
 * Annie Lloyd Evans
 * Annwn
 * Anthony Bushby Bacon
 * Anthony Crockett
 * Anthony Ellys
 * Anthony Kitchin
 * Anthony Malarczyk
 * Anthony Morgan of Kilfigin
 * Anthony Reynolds
 * Anthony Rudd
 * Antoinette Sandbach
 * April McMahon
 * Ar Log
 * Arawn
 * Archaeology of Wales
 * Archdeacon of Bangor
 * Archibald Hood
 * Arddleen railway station
 * Ardudwy
 * Arenig Fach
 * Arfon Griffiths
 * Arfon Group
 * Argoed High School
 * Arianrhod
 * Arllechwedd
 * Armes Prydein
 * Armorial of schools in the United Kingdom
 * Arnold le Boteler
 * Arnulf de Montgomery
 * Arriva Buses Wales
 * Art School Girlfriend
 * Art in Cardiff
 * Artes Mundi
 * Arthfael Hen ap Rhys
 * Arthur Banks
 * Arthur Cheetham
 * Arthur Evans (politician)
 * Arthur Griffith-Boscawen
 * Arthur Harding
 * Arthur John Williams
 * Arthur Lea (footballer)
 * Arthur Rees
 * Arthur Symons
 * Arthur Wade-Evans
 * Arthur Whitford
 * Arthur ap Gwynn
 * Artificial Limb & Appliance Service
 * Arwyn Davies, Baron Arwyn
 * Arwystli
 * Ash Taylor
 * Ashley Bendle
 * Ashley Griffiths
 * Assembly Rooms, Presteigne
 * Atlantic College Lifeboat Station
 * Atlantic Trading Estate
 * Atrium, Cardiff
 * Attack! Attack! (Welsh band)
 * Aubrey Richards
 * Audlem railway station
 * Audrey Briggs
 * Augusta Mostyn
 * Augustus Anson
 * Austin Matthews
 * Azariah Shadrach
 * B. R. Rees
 * B4265 road
 * B4574 road
 * BP&GV 4 Kidwelly and 5 Cwm Mawr
 * BP Oil Refinery Ltd Ground
 * BRfm
 * BUCS Super Rugby
 * Bachawy
 * Bacheldre
 * Back Lane drill hall, Newtown
 * Bad Wolf (production company)
 * Baderon of Monmouth
 * Badminton, Blaenau Gwent
 * Bagillt
 * Baglan (electoral ward)
 * Baglan Bay
 * Baglan railway station
 * Bailey Davies
 * Bailey Park, Abergavenny
 * Baker Boys (2011 TV series)
 * Bakestone
 * Bala (New) railway station
 * Bala Junction railway station
 * Bala Lake Railway
 * Bala Town Hall
 * Ballet Cymru
 * Ballet Nimba
 * Balwen Welsh Mountain sheep
 * Banc Cambria
 * Banc Du
 * Banc y Betws
 * Bang (TV series)
 * Bangor-on-Dee
 * Bangor-on-Dee racecourse
 * Bangor Bridge
 * Bangor City Council
 * Bangor Mountain
 * Bangor Normal College
 * Bangor Town Hall
 * Bangor University Boat Club
 * Bank y Llong
 * Banking and finance in Wales
 * Banknotes of the Black Sheep Company of Wales Limited
 * Banwen
 * Banwy
 * Barafundle Bay
 * Barbara Adam
 * Barbara M. Middlehurst
 * Barclodiad y Gawres
 * Barddas
 * Bardic Grammar
 * Bardsey Lighthouse
 * Bargoed
 * Bargoed Interchange
 * Bari Morgan
 * Barland Castle
 * Barmouth Ferry
 * Barmouth Junction and Arthog Tramway
 * Barmouth Lifeboat Station
 * Barmouth railway station
 * Barn, Stable and Cider House, Great Tre-Rhew Farm, Llantilio Crossenny
 * Baron Grey of Ruthin
 * Baron Hill, Anglesey
 * Baron Mansel
 * Baron Milford
 * Baron Tredegar
 * Baron Trefgarne
 * Baron of Hendwr
 * Barrie Vassallo
 * Barristers' chambers
 * Barry Council Office and Library
 * Barry Davies (rugby union, born 1875)
 * Barry Dock Lifeboat Station
 * Barry Dock Offices
 * Barry Docks railway station
 * Barry Flanagan
 * Barry Jones (boxer)
 * Barry Lloyd (cricketer)
 * Barry Power Station
 * Barry RLFC
 * Barry Railway Class J
 * Barry Town Council
 * Barry Welsh Is Coming
 * Basingwerk Abbey
 * Basketball Wales National League
 * Bassaleg Junction railway station
 * Basset Jhones
 * Battle of Chester
 * Battle of Hatfield Chase
 * Battle of Llwchwr
 * Battle of Stalling Down
 * Bay Pointe
 * Bay of Colwyn Town Council
 * Bayvil
 * Beacon Bog
 * Beacon Hill, Monmouthshire
 * Beacons Reservoir
 * Beacons Way
 * Beal railway station
 * Bear Hotel, Crickhowell
 * Bear Inn, Cowbridge
 * Beaufort, Blaenau Gwent
 * Beaufort Arms Hotel, Monmouth
 * Beaufort railway station (Wales)
 * Beaumaris Food Festival
 * Beaumaris Gaol
 * Beaumaris Town Hall
 * Beca (artist group)
 * Beca Lyne-Pirkis
 * Becky Brewerton
 * Beddgelert railway station
 * Beddmanarch–Cymyran
 * Bedwas
 * Bedwas, Trethomas and Machen
 * Bedwas High School
 * Bedwas Navigation Colliery
 * Bedwas RFC
 * Bedwellty House
 * Bedwellty Pits Halt railway station
 * Beer in Wales
 * Begelly
 * Beli ap Rhun
 * Belle Vue Park
 * Bellevue Park, Wrexham
 * Bellwin scheme
 * Ben Bowen Thomas
 * Ben Davies (footballer, born 1993)
 * Ben Davies (tenor)
 * Ben Jones (Welsh solicitor)
 * Ben Llewellin
 * Ben Swallow
 * Ben Thompson (footballer, born 2002)
 * Ben Watts-Jones
 * Ben Williams (rugby union, born 2002)
 * Benedict Nichols
 * Benjamin Bathurst (MP for Gloucester)
 * Benjamin Gummow
 * Benjamin Hoadly
 * Benjamin Price (bishop)
 * Benllech
 * Bentlass
 * Benton Castle
 * Berllan-deg, Llanhennock
 * Bernard (Bishop of St Davids)
 * Bernard Lloyd
 * Berriew
 * Bersham
 * Bersham Ironworks
 * Bert Dauncey
 * Bert Winfield
 * Berthin Brook
 * Bertholey House
 * Berwyn Price
 * Berwyn Rowlands
 * Berwyn range
 * Beth Morris
 * Beth Reekles
 * Bethan Dainton
 * Bethan Dyke
 * Bethan Gammon
 * Bethania Chapel, Abercynon
 * Bethania Chapel, Cwmbach
 * Bethania Chapel, Dowlais
 * Bethania Chapel, Mountain Ash
 * Bethany Chapel, Ammanford
 * Bethel, Anglesey
 * Bethel, Gwynedd
 * Bethel Baptist Chapel, Llanelli
 * Bethel Chapel, Abernant
 * Bethel Chapel, Gadlys
 * Bethel Chapel, Miskin
 * Bethel Chapel, Ynysybwl
 * Bethesda, Pembrokeshire
 * Bethesda Athletic F.C.
 * Bethesda Chapel, Abercwmboi
 * Bethesda Chapel, Merthyr Tydfil
 * Bethlehem Chapel, Mountain Ash
 * Beti George
 * Betsan Moses
 * Bettisfield railway station
 * Bettws, Bridgend
 * Bettws, Newport
 * Bettws Newydd
 * Betws, Carmarthenshire
 * Betws-y-Coed
 * Betws-y-Coed railway station
 * Betws Bach
 * Betws Bledrws Church
 * Beulah Calvinistic Methodist Chapel
 * Beulah Speckled Face
 * Beuno
 * Beverley Jones
 * Beyond the Border Storytelling Festival
 * Bible College of Wales, Sketty
 * Biblins Bridge
 * Big Leaves
 * Bigsweir Bridge
 * Bill Beynon
 * Bill Davies (cricketer, born 1901)
 * Bill Morris (rugby union, born 1869)
 * Bill Morris (rugby union, born 1941)
 * Bill Roberts (footballer, born 1859)
 * Bill Tamplin
 * Bill Webber (trade unionist)
 * Billy Bancroft
 * Billy Davies (cricketer, born 1936)
 * Billy Hullin
 * Billy Jenkins (rugby union)
 * Billy McBryde
 * Billy Rogers (footballer)
 * Billy Slade
 * Binding over
 * Birchgrove, Swansea
 * Birchgrove railway station
 * Birdshill Quarry
 * Bishop's Palace, Llandaff
 * Bishop Gore School
 * Bishop of Wrexham
 * Bishops Pond
 * Bishops and Clerks
 * Bishopston, Swansea
 * Bishopston Comprehensive School
 * Bishton
 * Bitter Harvest (1963 film)
 * Black Book of Chirk
 * Black Boy Inn
 * Black Mountain (hill)
 * Black Welsh Mountain sheep
 * Blackmill Woodlands
 * Blackpill
 * Blackpool Mill
 * Blackwood RFC
 * Blackwood railway station (Wales)
 * Blaenau Ffestiniog (Pantyrafon) railway station
 * Blaenau Gwent County Borough Council
 * Blaenau Gwent People's Voice
 * Blaenavon High Level railway station
 * Blaenavon Hospital
 * Blaenavon Railroad
 * Blaencwm
 * Blaengarw
 * Blaengavenny Farmhouse, Llanvihangel Crucorney
 * Blaengwrach
 * Blaengwynfi railway station
 * Blaenllynfi Castle
 * Blaenplwyf Halt railway station
 * Blaenplwyf transmitting station
 * Blaenrhondda
 * Blaenwaun
 * Blaina railway station
 * Blanche Duncan
 * Bleddfa Castle
 * Bledri ap Cydifor
 * Bleiddud
 * Blestium
 * Bletherston
 * Blondin (quarry equipment)
 * Blood Bikes Wales
 * Blue Lagoon Water Park, Pembrokeshire
 * Bluestone, Pembrokeshire
 * Bob John
 * Bob Morgan (diver)
 * Bob Roberts (footballer, born 1863)
 * Bobbie Cheema-Grubb
 * Bodedern
 * Bodedern Athletic F.C.
 * Bodorgan
 * Bodorgan Hall
 * Bodorgan railway station
 * Bodowyr
 * Bodrhyddan Hall
 * Bon-y-maen (electoral ward)
 * Boncath
 * Bonedd Gwŷr y Gogledd
 * Bontnewydd Palaeolithic site
 * Bonvilston
 * Book of Llandaff
 * Book of the Anchorite of Llanddewibrefi
 * Border Breweries (Wrexham)
 * Borderlands line
 * Borras
 * Borth
 * Borth Lifeboat Station
 * Borth Wild Animal Kingdom
 * Bosherston
 * Boston Lodge
 * Boston Lodge Halt railway station
 * Boulston
 * Bournville (Mon) Halt railway station
 * Boverton
 * Bow Street, Ceredigion
 * Boxing in Wales
 * Boy Azooga
 * Boys Village
 * Brace's Bakery
 * Bradley, Wrexham
 * Bragdy Nant
 * Braich-y-Dinas
 * Braichgoch slate mine
 * Brangwyn Hall
 * Branwen ferch Llŷr
 * Brawdy
 * Brayley Reynolds
 * Breanne Loucks
 * Brechfa
 * Brechfa Forest
 * Brechfa transmitting station
 * Brecknock Wildlife Trust
 * Brecon Beacons Mountain Centre
 * Brecon Congregational Memorial College
 * Brecon East
 * Brecon Forest Tramroad
 * Brecon Free Street railway station
 * Brecon Guildhall
 * Brecon Old Bank
 * Brecon VHF-FM transmitting station
 * Brecon War Memorial Hospital
 * Brecon transmitting station
 * Breidden Hill
 * Bremia (fort)
 * Brenhinoedd y Saeson
 * Brett Johns
 * Bretton, Flintshire
 * Brewery Field
 * Brian Curvis
 * Brian Gibbons (politician)
 * Brian Godfrey
 * Brian Hibbard
 * Brian Jenkins (politician)
 * Brian John
 * Brian Law
 * Brian Masters
 * Brian Thomas (rugby union)
 * Brian Walsh (English footballer)
 * Bridell
 * Bridge Meadow Stadium
 * Bridgend & District League
 * Bridgend (UK Parliament constituency)
 * Bridgend Blue Bulls
 * Bridgend Deanery
 * Bridgend railway station
 * Bridget Bevan
 * Brimmon Oak
 * Brinley Richards
 * Britain's Best Drives
 * Britannia Catchments Group
 * Brithdir Mawr
 * British Airways Engineering
 * British Hard Court Championships
 * British Rail Class 398
 * British and Irish Cup
 * Briton Ferry
 * Briton Ferry East
 * Briton Ferry Llansawel A.F.C. (ladies)
 * Briton Ferry railway station
 * Briton Ferry television relay station
 * Bro Ardudwy
 * Bro Ddyfi Community Hospital
 * Bro Machno
 * Bro Morgannwg NHS Trust
 * Bro Rhosyr
 * Broad Haven
 * Broad Haven South
 * Broad Vein Mudstone Formation
 * Brofiscin Quarry
 * Broneirion
 * Bronllys
 * Bronllys Castle
 * Bronwydd
 * Bronwydd Arms railway station
 * Bronwydd Arms transmitting station
 * Bronwydd Castle
 * Brook Street drill hall, Welshpool
 * Broughton, Flintshire
 * Broughton, Wrexham
 * Broughton Bay
 * Broughton United F.C.
 * Broughton railway station (Wales)
 * Brown's Hotel, Laugharne
 * Bruce Tasker
 * Brut y Tywysogion
 * Brycheiniog (journal)
 * Brymbo Fossil Forest
 * Brymbo Institute Cricket and Football Club
 * Brymbo Victoria F.C.
 * Bryn, Neath Port Talbot
 * Bryn Allen
 * Bryn Arw
 * Bryn Beryl Hospital
 * Bryn Fôn
 * Bryn Griffiths
 * Bryn Gwyn stones
 * Bryn Jones (footballer, born 1912)
 * Bryn Law
 * Bryn Merrick
 * Bryn Oer Tramway
 * Bryn Powell
 * Bryn Pydew
 * Bryn Seion Chapel
 * Bryn Williams
 * Bryn y Neuadd Hospital
 * Brynach
 * Brynamman
 * Brynbella
 * Brynberian
 * Bryncelyn Brewery
 * Bryncethin RFC
 * Bryncoch RFC
 * Brynderi House, Llantilio Crossenny
 * Bryngwran
 * Bryngwyn railway station
 * Brynhenllan
 * Brynithel
 * Brynmawr
 * Brynmawr Experiment
 * Brynmawr Furniture
 * Brynmawr RFC
 * Brynmawr railway station
 * Brynmenyn
 * Brynmill
 * Brynmor John
 * Brynmor Williams
 * Brynna
 * Brynrefail, Gwynedd
 * Bryntirion Athletic F.C.
 * Bryntysilio Hall
 * Buan, Gwynedd
 * Buarth-y-Gaer
 * Buchedd Garmon
 * Buckholt, Monmouthshire
 * Buckland Hill
 * Buckley Victoria F.C.
 * Buckley baronets
 * Buckley railway station
 * Buddhism in Wales
 * Buddug Verona James
 * Buddugre Castle
 * Buellt
 * Bugeilio'r Gwenith Gwyn
 * Building stones of Wales
 * Builth Castle
 * Builth Road railway station
 * Builth Wells
 * Builth Wells Hospital
 * Builth Wells transmitting station
 * Burfa Castle
 * Burgess Gate
 * Burgred of Mercia
 * Burke Shelley
 * Burry Port Harbour
 * Burry Port Lifeboat Station
 * Burry Port Urban District
 * Burton, Pembrokeshire
 * Burton Mere Wetlands
 * Business rates in Wales
 * Bussy Mansel, 4th Baron Mansel
 * Bussy Mansell (1623–1699)
 * Butlin's Barry Island
 * Butlin's Pwllheli
 * Buttington Oak
 * Buttrills
 * Buwch Frech
 * Bwlch
 * Bwlch-y-Ddeufaen
 * Bwlch y Groes
 * Bwlch y Slaters quarry
 * Bwlchgwyn
 * Bwlchygroes
 * Bynea (electoral ward)
 * C'mon Midffîld!
 * CAFOD
 * CCB Centre for Sporting Excellence
 * CPC Bears
 * Cad Goddeu
 * Cadair Berwyn
 * Cadair Berwyn North Top
 * Cadell ap Gruffydd
 * Cadfael (TV series)
 * Cadfan Stone
 * Cadfan ap Cadwaladr
 * Cadoc (electoral ward)
 * Cadole
 * Cadoxton-juxta-Neath
 * Cadoxton Court Dovecote
 * Cadoxton River
 * Cadoxton railway station
 * Cadwaladr
 * Cadwallader Owen
 * Cadwallon ap Cadfan
 * Cae Llwyd Reservoir
 * Cae Mabon
 * Caeau Ffos Fach
 * Caeau Pant-y-Bryn
 * Caego
 * Caer Bach
 * Caer Drewyn
 * Caer Euni
 * Caer Llan
 * Caer Llugwy
 * Caer Lêb
 * Caer y Twr
 * Caerau, Cardiff
 * Caerdydd (TV series)
 * Caerfai Bay
 * Caerfanell
 * Caerfyrddin (UK Parliament constituency)
 * Caergwrle Bowl
 * Caergwrle railway station
 * Caerhendy transmitting station
 * Caerhowel Bridge
 * Caerhun
 * Caerleon Comprehensive School
 * Caerleon Endowed School
 * Caerleon Roman Fortress and Baths
 * Caerleon railway station
 * Caernarfon Airport
 * Caernarfon Barracks
 * Caernarfon Criminal Justice Centre
 * Caernarfon Deanery
 * Caernarfon Mithraeum
 * Caernarfon Wanderers F.C.
 * Caernarvon (Morfa) railway station
 * Caernarvon railway station
 * Caernarvonshire Constabulary
 * Caerphilly County Borough Council
 * Caerphilly Food Festival
 * Caerphilly RFC
 * Caerphilly railway station
 * Caersws
 * Caersws F.C.
 * Caersws railway station
 * Caerwent Training Area
 * Caerwys
 * Caesar Jenkyns
 * Caia Park
 * Cairn Newton-Evans
 * Caitlin Lewis
 * Calchfynydd
 * Caldey Lighthouse
 * Caldey Priory
 * Caldicot
 * Caldicot Castle (electoral ward)
 * Caldicot School
 * Caldicot and Wentloog Levels
 * Caldicot railway station
 * Caleb Rees
 * Calfaria Baptist Chapel, Llanelli
 * Calfaria Chapel, Abercynon
 * Calfaria Chapel, Penygroes
 * Callum Jones (footballer, born 2001)
 * Callum Jones (footballer, born 2002)
 * Callum King-Harmes
 * Callum Scott Howells
 * Calon FM
 * Calum Jarvis
 * Calvert's Engine
 * Cambergi quarry
 * Cambrian Airways
 * Cambrian Coast Express
 * Cambrian Colliery
 * Cambrian Miners' Association
 * Cambrian Woollen Mill
 * Cambro-Normans
 * Cameron Congreve
 * Cameron Toshack
 * Campaign for National Parks
 * Campanile, Portmeirion
 * Campbell's Platform railway station
 * Camrose, Pembrokeshire
 * Camrose, Pembrokeshire (electoral ward)
 * Canada at the 1958 British Empire Games
 * Canaston Bridge
 * Candelas (band)
 * Canoe Wales
 * Canolfan Soar
 * Cantref Gwarthaf (Dyfed)
 * Cantref Reservoir
 * Capel-y-ffin
 * Capel Als, Llanelli
 * Capel Bangor railway station
 * Capel Celyn
 * Capel Eidalwyr
 * Capel Heol Awst, Carmarthen
 * Capel Heol Dŵr, Carmarthen
 * Capel Newydd, Nanhoron
 * Capel Salem, Llanbedr
 * Capetian–Plantagenet rivalry
 * Capital North West & Wales
 * Capital Tower, Cardiff
 * Capitol Centre, Cardiff
 * Capriccio (Rex Whistler)
 * Captain Beany
 * Cara Hope
 * Caradoc
 * Caradoc Evans
 * Caradoc of Llancarfan
 * Caradog Prichard
 * Caradog Roberts
 * Caradog ap Bran
 * Caradog ap Meirion
 * Carantoc
 * Cardiff Amateur Athletic Club
 * Cardiff Athletic Bowls Club
 * Cardiff Athletics Stadium
 * Cardiff Bay Barrage
 * Cardiff Bay Development Corporation
 * Cardiff Bay Opera House
 * Cardiff Bay Police Station
 * Cardiff Bay Visitor Centre (1991–2010)
 * Cardiff Blitz
 * Cardiff Centenary Walk
 * Cardiff City Blue Dragons
 * Cardiff City Ladies F.C.
 * Cardiff Coloured Men's Christian Association
 * Cardiff Corinthians F.C.
 * Cardiff Cricket Club
 * Cardiff Crown Court
 * Cardiff Deanery
 * Cardiff Design Festival
 * Cardiff East (UK Parliament constituency)
 * Cardiff Empire
 * Cardiff Half Marathon
 * Cardiff Heliport
 * Cardiff High School
 * Cardiff International Sports Village
 * Cardiff International White Water
 * Cardiff Lions
 * Cardiff Metropolitan University F.C.
 * Cardiff Newsagent Three
 * Cardiff Roller Collective
 * Cardiff Roman Fort
 * Cardiff Rural District
 * Cardiff Sailing Centre
 * Cardiff School of Law and Politics
 * Cardiff Start
 * Cardiff Team
 * Cardiff Town Hall
 * Cardiff United Synagogue
 * Cardiff University School of Music
 * Cardiff University Students' Union
 * Cardiff Waterbus
 * Cardiff West Community High School
 * Cardiff West services
 * Cardiff urban area
 * Cardigan Bay Seafood Festival
 * Cardigan Guildhall
 * Cardigan Island
 * Cardigan River and Food Festival
 * Cardigan Welsh Corgi
 * Cardigan and District Community Hospital
 * Cardigan railway station
 * Cardigan transmitting station
 * Carew, Pembrokeshire
 * Carew (electoral ward)
 * Carew Castle
 * Carey Morris
 * Carillons (Williams)
 * Carl Llewellyn
 * Carl Roberts (cricketer)
 * Carl Sargeant
 * Carlisle Castle Hotel
 * Carmarthen Bank
 * Carmarthen Deanery
 * Carmarthen Furnace Bank
 * Carmarthen Guildhall
 * Carmarthen Priory
 * Carmarthen Town North
 * Carmarthen Town South
 * Carmarthen Town West
 * Carmarthen railway station
 * Carmarthen transmitting station
 * Carmarthenshire Land Sailing Club
 * Carmel Chapel, Penrhiwceiber
 * Carmel Chapel, Trecynon
 * Carmel Napier
 * Carmel National Nature Reserve
 * Carmel transmitting station
 * Carn Llidi
 * Carnarvon (Pant) railway station
 * Carnarvon and Denbigh Herald
 * Carndochan Castle
 * Carneddau ponies
 * Carnllundain
 * Carno railway station
 * Carole Seymour-Jones
 * Caroline Street (Cardiff)
 * Carolyn Harris
 * Carreg Cennen Disturbance
 * Carreg Dwfn
 * Carreg Samson
 * Carrie Jones (footballer)
 * Carry On Up the Khyber
 * Caryl Ap Rhys Pryce
 * Caryl Lewis
 * Caryl Thomas
 * Carys Bannister
 * Casey Thomas
 * Casnewydd Bach
 * Castell Aberlleiniog
 * Castell Bryn Gwyn
 * Castell Coch Woodlands and Road Section
 * Castell Du
 * Castell Gwallter
 * Castell Henllys
 * Castell Malgwyn
 * Castell Mawr Rock
 * Castell Meredydd
 * Castell Moel
 * Castell Nadolig
 * Castellan, Pembrokeshire
 * Castellau
 * Castle, Swansea
 * Castle (Abergavenny ward)
 * Castle Bank
 * Castle Caereinion
 * Castle Farmhouse, Raglan
 * Castle Hotel, Conwy
 * Castle Hotel, Ruthin
 * Castle House, Usk
 * Castle Nimble
 * Castle Terrace, Chepstow
 * Castle Tump
 * Castlebythe
 * Castleland
 * Castlemartin, Pembrokeshire
 * Castlemorris
 * Catfish and the Bottlemen
 * Cath Palug
 * Cathays (electoral ward)
 * Cathays Cemetery
 * Cathedine
 * Catherine Fisher
 * Catherine Glyn Davies
 * Catherine Margretta Thomas
 * Catherine Thomas
 * Catherine Tregenna
 * Cathole Cave
 * Catholic Bishops' Conference of England and Wales
 * Catrin Collier
 * Catrin Dafydd
 * Catrin Finch
 * Catrin Stewart
 * Catrin Thomas
 * Catrin ferch Gruffudd ap Hywel
 * Cawdor Hall
 * Cedewain
 * Cedryn Quarry Tramway
 * Cefin Campbell
 * Cefn-coed-y-cymmer
 * Cefn-y-Bedd railway station
 * Cefn Blaenau
 * Cefn Carnedd
 * Cefn Cil Sanws
 * Cefn Coed Hospital
 * Cefn Cribwr
 * Cefn Cul
 * Cefn Cyfarwydd
 * Cefn Druids A.F.C.
 * Cefn Gwyngul
 * Cefn Ila
 * Cefn Mably
 * Cefn Manmoel
 * Cefn Mawr
 * Cefn Meiriadog
 * Cefn Sidan
 * Cefn Viaduct, Wrexham
 * Cefni Hospital
 * Cefnllys
 * Cefnpennar
 * Cefntilla Court
 * Cei Llydan railway station
 * Ceibwr Bay
 * Ceinwen Rowlands
 * Ceiriog Ucha
 * Celia Barlow
 * Celtic Challenge
 * Celtic Classic
 * Celtic Congress
 * Celtic Cup (2018 rugby union tournament)
 * Celtic longboat
 * Celtica (visitor centre)
 * Celtica Radio
 * Cemaes
 * Cemaes Rural District
 * Cemais (Dyfed)
 * Cemais Is Nyfer
 * Cemais Uwch Nyfer
 * Cemlyn Bay and lagoon
 * Cemmaes railway station
 * Cemmes Road railway station
 * Cenarth
 * Cenarth (electoral ward)
 * Census Act 1800
 * Centre for Health and International Relations
 * Centre for Occupational and Health Psychology
 * Centre for Welsh Studies
 * Ceredigion & Mid Wales NHS Trust
 * Ceredigion Archives
 * Ceredwen
 * Ceri Morgan
 * Cerrigydrudion
 * Cerys Hale
 * Cewydd
 * Chad Bond
 * Chain Bridge (Berwyn)
 * Chamberlain of North Wales
 * Chapel Bay Fort
 * Chapel Farmhouse, Llanarth
 * Chapel House, Monmouth
 * Chapel of St Non
 * Chapter Arts Centre
 * Charity Commission for England and Wales
 * Charles Ashton (historian)
 * Charles Danby
 * Charles Edwards (Labour politician)
 * Charles Edwards (writer)
 * Charles Edwin (died 1756)
 * Charles Edwin (died 1801)
 * Charles Evan-Thomas
 * Charles Griffith-Wynne
 * Charles Hanbury-Tracy, 1st Baron Sudeley
 * Charles Hanbury Williams
 * Charles Harington (chemist)
 * Charles Langbridge Morgan
 * Charles Lewis (rugby union)
 * Charles Lloyd (minister)
 * Charles Morgan (Breconshire MP, born 1736)
 * Charles Sidney Beauclerk
 * Charles Symmons
 * Charles Taylor (rugby union)
 * Charlie Jones (footballer, born 1899)
 * Charlie Pritchard
 * Charlie Savage (footballer)
 * Charlotte Godley
 * Chartist Mural
 * Chartist Tower
 * Chateau Rhianfa
 * Cheese Market, Hay-on-Wye
 * Chepstow Community Hospital
 * Chepstow Museum
 * Chepstow Port Wall
 * Chepstow RFC
 * Chepstow Town Gate
 * Chepstow War Memorial
 * Chepstow railway station
 * Cheryl Beer
 * Cheryl Foster
 * Chester and Connah's Quay Railway
 * Chester and Wrexham Turnpike
 * Chicago Tafia
 * Chicago Welsh Societies
 * Chief Whip (Wales)
 * Children's Commissioner for Wales
 * Children (Abolition of Defence of Reasonable Punishment) (Wales) Act 2020
 * Chirk Community Hospital
 * Chirk Tunnel
 * Chirk Viaduct
 * Chirk War Memorial
 * Chirk railway station
 * Chloe Williams (footballer)
 * Chloe Williams (golfer)
 * Chris Bromham
 * Chris Evans (footballer)
 * Chris Hallam
 * Chris Jenkins (boxer)
 * Chris Rees
 * Chris Rees (badminton)
 * Chris Ruane
 * Chris Slade
 * Chris Tally Evans
 * Christ Tshiunza
 * Christ the Word Catholic School
 * Christchurch, Newport
 * Christian Norton
 * Christine Gwyther
 * Christine Jones (artist)
 * Christine Pritchard
 * Christopher Dawson
 * Christopher J. Yorath
 * Christopher Love
 * Christopher Rees
 * Church Bay, Anglesey
 * Church Farmhouse, Caldicot
 * Church Farmhouse, Kemeys Commander
 * Church Island (Anglesey)
 * Church Road (B&MJR) railway station
 * Church Stoke
 * Church Street, Monmouth
 * Church Village
 * Church of All Saints, Kemeys Commander
 * Church of All Saints, Llanelli
 * Church of Our Lady and St Michael, Abergavenny
 * Church of St Basil, Bassaleg
 * Church of St Denys, Lisvane
 * Church of St Dogfael, Meline
 * Church of St Illtyd, Mamhilad
 * Church of St Illtyd, Penrice
 * Church of St Margaret Marloes, Eglwyscummin
 * Church of St Mary Magdalene, Goldcliff
 * Church of St Mary and St Michael, Llanarth
 * Church of St Mary the Virgin, Halkyn
 * Church of St Mary the Virgin, Llanfair Kilgeddin
 * Church of St Maughan, Llangattock Vibon Avel
 * Church of St Michael, Cilycwm
 * Church of St Michael and All Angels, Aberystwyth
 * Church of St Michael and All Angels, Castlemartin, Pembrokeshire
 * Church of St Michael and All Angels, Gwernesney
 * Church of St Nicholas, Grosmont
 * Church of St Nicholas, Trellech
 * Church of St Oudoceus, Llandogo
 * Church of St Peter, St Paul and St John, Llantrisant
 * Church of St Stephen and St Tathan, Caerwent
 * Church of St Thomas, Redwick
 * Church of St Thomas a Becket, Shirenewton
 * Church of St Thomas à Becket, Wolvesnewton
 * Church of the Holy Cross, Kilgwrrwg
 * Church of the Holy Cross, Mwnt
 * Church of the Resurrection, Ely
 * Chwarel Ddu quarry
 * Cigfa
 * Cilan Head
 * Cilcain
 * Cilfrew television relay station
 * Cilfynydd
 * Cilgerran Castle
 * Cilgwyn quarry
 * Ciliau-Aeron Halt railway station
 * Cilrhedyn
 * Cilthriew, Kerry (Montgomeryshire)
 * Cilybebyll
 * Cilycwm transmitting station
 * Cilymaenllwyd
 * Cimla
 * Cinema of Wales
 * Circuit court
 * Circuit of Wales
 * Circuits of England and Wales
 * Civil Mediation Council
 * Civil Service (Wrexham) Cricket and Football Club
 * Claims management company
 * Claire Jones (harpist)
 * Claire Skinner (footballer)
 * Clandestine Marriages Act 1753
 * Clara Novello Davies
 * Clarbeston
 * Clarbeston Road and Letterston Railway
 * Clarbeston Road railway station
 * Claud Morris
 * Claudy Philips
 * Clausen Rolling Platform
 * Clawdd-du
 * Clawdd Coch
 * Clayton Blackmore
 * Clayton Milborne
 * Cleddau Bridge
 * Cleddon Bog
 * Cleddon Hall
 * Cledwyn Hughes (author)
 * Cleft chin murder
 * Clegir Mawr
 * Clegyr Boia
 * Clem Thomas
 * Clera
 * Cliff Pritchard
 * Cliff Williams (rugby union, born 1898)
 * Clifford Darby
 * Clifford Evans (actor)
 * Clive Rowlands
 * Clive Shell
 * Clocaenog Forest
 * Clogau Gold Mine
 * Clogwyn Du'r Arddu
 * Clogwyn railway station
 * Clough Williams-Ellis
 * Clunderwen railway station
 * Cluniac priories in Great Britain
 * Clwb Ifor Bach
 * Clwb Rygbi
 * Clwt-y-bont
 * Clwyd South (UK Parliament constituency)
 * Clwydian Way
 * Clydach, Monmouthshire
 * Clydach, Swansea
 * Clydach Gorge
 * Clydach House, Llanelly
 * Clydach railway station
 * Clydau
 * Clydog
 * Clynderwen
 * Clyne Castle
 * Clyne Gardens
 * Clyne River
 * Clyne Valley Country Park
 * Clytha Castle
 * Coal Exchange
 * Coalbrookvale
 * Cobden's Hotel
 * Cobourg Hotel
 * Cockett
 * Cockett railway station
 * Coed-y-gelli, Llanarth
 * Coed Coch
 * Coed Cochion Quarry
 * Coed Cwm Einion
 * Coed Nant Mawr
 * Coed y Bedw
 * Coedcanlas
 * Coedffranc West
 * Coedty Reservoir
 * Cofi dialect
 * Cogan railway station
 * Colbren Junction railway station
 * Colby Woodland Garden
 * Cold Blow
 * Cold Inn
 * Coldbrook Park
 * Coleford, Monmouth, Usk and Pontypool Railway
 * Coleg Cambria
 * Coleg Cymraeg Cenedlaethol
 * Coleg Cymunedol Y Dderwen
 * Coleg Glan Hafren
 * Coleg Llandrillo
 * Coleg Sir Gâr
 * Colin Gale
 * Colin H. Williams
 * Colin Jones (artist)
 * Colin Stephens
 * Colin Woods
 * Collen
 * Colwinston
 * Colwyn Bay Community Hospital
 * Colwyn Bay Deanery
 * Colwyn Bay F.C.
 * Colwyn Bay railway station
 * Commercial Street, Newport
 * Commission on Justice in Wales
 * Commissioner of Bankruptcy (England and Wales)
 * Commote
 * Community Archives Wales
 * Compton Census
 * Con Passionate
 * Conan Meriadoc
 * Congar of Congresbury
 * Conglog quarry
 * Connah's Quay F.C.
 * Connop Thirlwall
 * Connor Evans (footballer)
 * Connor Lemonheigh-Evans
 * Connor Morgans
 * Conscientious objectors in Wales
 * Constables' Central Committee
 * Constitution Hill, Aberystwyth
 * Construction History Society
 * Contact Centre Cymru
 * Conway Road Methodist Church
 * Conway and Llanrwst Railway
 * Conwil railway station
 * Conwy (Assembly constituency)
 * Conwy (electoral ward)
 * Conwy Bay
 * Conwy Borough F.C.
 * Conwy Celts
 * Conwy Falls
 * Conwy Guildhall
 * Conwy Hospital
 * Conwy Suspension Bridge
 * Conwy Town Council
 * Conwy railway station
 * Cool Cymru
 * Copthorne Hotel, Cardiff
 * CorCenCC
 * Corbett Arms Hotel
 * Corgi Socks
 * Corn Du
 * Corndon Hill
 * Corntown
 * Corporate Joint Committee
 * Corpus Christi Roman Catholic High School, Cardiff
 * Corris
 * Corris Craft Centre
 * Cors Bodwrog
 * Cors Fochno
 * Cors Gyfelog National Nature Reserve
 * Corwen
 * Corwen East railway station
 * Cosheston
 * Cosheston Group
 * Council Offices, Caernarfon
 * County Hall, Aberaeron
 * County Hall, Caernarfon
 * County Hall, Carmarthen
 * County Hall, Cwmbran
 * County Hall, Dolgellau
 * County Hall, Haverfordwest
 * County Hall, Llandrindod Wells
 * County Hall, Mold
 * County Hall, Ruthin
 * County of Pembroke War Memorial
 * Court (Barry electoral ward)
 * Court Colman Manor
 * Court Farm Barn, Llanthony Priory
 * Court Farmhouse, Llanover
 * Court Farmhouse, Llanthony
 * Court of Criminal Appeal (England and Wales)
 * Courtney Keight
 * Cow (public service announcement)
 * Cowbois ac Injans
 * Cowbridge (electoral ward)
 * Cowbridge Comprehensive School
 * Cowbridge Cricket Ground
 * Cowbridge Food and Drink Festival
 * Cowbridge Physic Garden
 * Cowbridge Town Hall
 * Cowbridge railway station
 * Cowbridge town wall
 * Coychurch
 * Coygan Cave
 * Craig-Cefn-Parc television relay station
 * Craig-y-Don
 * Craig-y-parc House
 * Craig Gwrtheyrn
 * Craig Thomas (author)
 * Craig Ty-Isaf
 * Craig y Forwyn (Conwy)
 * Craig y Llyn
 * Craig y Mor
 * Craig yr Aderyn
 * Creative Lives
 * Creiddylad
 * Creigiau
 * Creigiau & St Fagans
 * Creigiau Gleision
 * Creirwy
 * Cresselly Cricket Club Ground
 * Cresselly House
 * Cribinau
 * Criccieth
 * Criccieth railway station
 * Crick, Monmouthshire
 * Crickhowell Castle
 * Crickhowell Market Hall
 * Criggion Radio Station
 * Crimea Pass
 * Crinow
 * Cristin verch Goronwy
 * Croes-goch
 * Croes Newydd
 * Croes Robert Wood
 * Croeserw
 * Croesor Tramway
 * Croesyceiliog
 * Croesyceiliog School
 * Croft-Y-Bwla
 * Croft Farm Barn, Llantilio Crossenny
 * Cross-border derby
 * Cross Britain Way
 * Cross at Croes Llwyd Farm
 * Crosskeys
 * Crosskeys railway station
 * Crossways Halt railway station
 * Crosswell
 * Crown green bowls
 * Crug Mawr
 * Crugybar
 * Crumlin, Caerphilly
 * Crundale, Pembrokeshire
 * Crunwere
 * Crymlyn Bog
 * Crymlyn Burrows
 * Crymmych Arms railway station
 * Crynant
 * Crys
 * Crûg Farm Quarry
 * Cuffern Manor, Pembrokeshire
 * Cuisine of Ceredigion
 * Culhwch
 * Culhwch and Olwen
 * Cultural depictions of Charles III
 * Culverhouse Cross
 * Curig
 * Curran Steels
 * Curriculum and Assessment (Wales) Act 2021
 * Curtis Hutson (footballer)
 * Cuthbert Taylor
 * Cwm, Blaenau Gwent
 * Cwm-y-glo
 * Cwm-yr-Eglwys
 * Cwm Bwchel Farmhouse, Llanthony
 * Cwm Cadnant
 * Cwm Clydach, Rhondda Cynon Taf
 * Cwm Dyli
 * Cwm Ebol quarry
 * Cwm Gwaun
 * Cwm Hengae
 * Cwm Prysor Viaduct
 * Cwm Twrch
 * Cwm railway station
 * Cwmafan
 * Cwmaman
 * Cwmamman
 * Cwmbran bus station
 * Cwmbran railway station
 * Cwmbran railway station (Great Western Railway)
 * Cwmbwrla
 * Cwmcarn
 * Cwmcarn High School
 * Cwmcych
 * Cwmdare
 * Cwmdu, Powys
 * Cwmerfyn
 * Cwmfelin Mynach
 * Cwmgors
 * Cwmgors transmitting station
 * Cwmgwili
 * Cwmifor
 * Cwmmawr railway station
 * Cwmorthin Tramway
 * Cwmparc
 * Cwmpengraig
 * Cwmtillery
 * Cwmtwrch
 * Cwmyoy
 * Cwmystwyth Mines
 * Cwrt Sart Comprehensive School
 * Cwrt y Brychan barn, stable and granary
 * Cwt y Bugail quarry
 * Cwtch
 * Cwyllog
 * Cyfarthfa High School
 * Cyfeiliog
 * Cylch-y-Garn
 * Cyllin
 * Cymanfa Ganu
 * Cymer Afan Comprehensive School
 * Cymerau quarry
 * Cymidei Cymeinfoll
 * Cymru Goch
 * Cymru North
 * Cymru Terrane
 * Cynan Dindaethwy
 * Cynan Garwyn
 * Cynan ab Iago
 * Cyncoed
 * Cyngar of Llangefni
 * Cynghanedd
 * Cynidr
 * Cynon ap Clydno
 * Cynwyl Elfed transmitting station
 * Cyril Fox
 * Cyril Sidlow
 * Cyrniau Nod
 * Cysgod Rhyfel
 * Côr Meibion Pontypridd
 * Côr Tewdws
 * Cŵn Annwn
 * D. Gwenallt Jones
 * Dafydd Gam
 * Dafydd Hughes
 * Dafydd Huws
 * Dafydd Jenkins (legal scholar)
 * Dafydd Llywelyn
 * Dafydd Nicolas
 * Dafydd Rowlands
 * Dafydd Trystan Davies
 * Dafydd ab Owain Gwynedd
 * Dafydd ap Dafydd ap Llywelyn
 * Dafydd ap Gwilym Society
 * Dai Davies (journalist)
 * Dai Davies (politician)
 * Dai Dower
 * Dai Havard
 * Dai Jones
 * Dai St. John
 * Dai Thomas (footballer, born 1975)
 * Dai Woodham
 * Dale, Pembrokeshire
 * Dale Castle
 * Dale Marshall (painter)
 * Dale McIntosh
 * Damian Green
 * Dan Lewis (footballer)
 * Dan Rees (rugby)
 * Dan yr Ogof
 * Danescourt
 * Dani Rowe
 * Daniel Barden (footballer)
 * Daniel Chandler
 * Daniel Davies (preacher)
 * Daniel Grey
 * Daniel James (footballer)
 * Daniel Jones (composer)
 * Daniel Morden
 * Daniel Protheroe
 * Daniel Silvan Evans
 * Daniel Williams (footballer, born 2001)
 * Daniel Williams (theologian)
 * Dannie Abse
 * Danny Ansell
 * Danny Canning
 * Danny Collins (footballer)
 * Danny Williams (footballer, born 1979)
 * Dare Valley Country Park
 * Darklands (film)
 * Daronwy Isaac
 * Darran Harris
 * Darran Rowbotham
 * Darran and Deri railway station
 * Darranlas
 * Darren Jones (footballer)
 * Darren Tinson
 * Dave Griffiths (boxer)
 * Dave Richards (footballer, born 1993)
 * David Adams (Congregationalist divine)
 * David Alexander (singer)
 * David Anthony (wheelchair rugby)
 * David Bell (artist)
 * David Beynon (teacher)
 * David Bower
 * David Brazell
 * David Cecil (courtier)
 * David Charles (hymn-writer)
 * David Constable (artist)
 * David Cornell
 * David Crouch (historian)
 * David Daniel (rugby union)
 * David Davies (Dai'r Cantwr)
 * David Davies (Welsh actor)
 * David Davies (dairyman)
 * David Davies (industrialist)
 * David Davis, Blaengwawr
 * David Eirwyn Morgan
 * David Ellis (priest)
 * David Elwyn Jones
 * David Evan Jones (missionary)
 * David Evans (archivist)
 * David Evans (canon at St Asaph)
 * David Evans (department store)
 * David Ffrangcon-Davies
 * David G. Watts
 * David Griffiths (portrait painter)
 * David Hughes (Eos Iâl)
 * David Hughes (priest)
 * David Jenkins (composer)
 * David Jenkins (librarian)
 * David John (Mormon)
 * David Jones (Clwyd West MP)
 * David Jones (Dean of Llandaff)
 * David Jones (Llangan)
 * David Jones (darts player)
 * David Jones (rugby, born 1881)
 * David Lewis (Anglican priest, born 1760)
 * David Lewis (archdeacon of Carmarthen)
 * David Lewis (lawyer)
 * David Lewis (poet)
 * David Lewis (priest, born 1814)
 * David Llewellin
 * David Llewellyn (author)
 * David Lloyd (Dean of St Asaph)
 * David Lloyd (cricketer, born 1992)
 * David Lloyd (judge)
 * David Lloyd (priest)
 * David Lloyd Davies
 * David Miall Edwards
 * David Morgan (department store)
 * David Morgan (trade unionist)
 * David Morris & Sons
 * David Nott
 * David Owen Morgan
 * David Petersen (sculptor)
 * David Powel
 * David Price (Welsh Independent minister)
 * David Prosser (bishop)
 * David Pugh (British politician)
 * David Randell
 * David Rocyn-Jones
 * David Rowland (translator)
 * David Rowlands (Dewi Môn)
 * David Rowlands (politician)
 * David Samwell
 * David Tegfan Davies
 * David Thomas (British politician)
 * David Thomas (archdeacon of Montgomery)
 * David Thomas (jeweller)
 * David Thomas (missionary priest)
 * David Thomas Gwynne-Vaughan
 * David Thomas Jones (administrator)
 * David Thomson (footballer, born 1847)
 * David Vaughan (architect)
 * David Wilbourne
 * David William Evans
 * David Williams (Liberal politician)
 * David Williams (crime writer)
 * David Williams (philosopher)
 * David Williams (pirate)
 * Davis (surname)
 * Dawn Bowden
 * Day Trip to Bangor (Didn't We Have a Lovely Time)
 * Dduallt railway station
 * De Barry family
 * De Lundin
 * Deanery of Cedewain
 * Deceangli
 * Declan Smith
 * Deddie Davies
 * Dee Estuary
 * Deeside College
 * Deeside Community Hospital
 * Defensible Barracks, Pembroke Dock
 * Defynnog
 * Defynnog Yew
 * Deganwy railway station
 * Deiniol (electoral ward)
 * Deiniolen
 * Deirdre Hine
 * Della Jones
 * Delme Bryn-Jones
 * Delyth Jewell
 * Demetae
 * Denbigh Castle and town walls
 * Denbigh Cockpit
 * Denbigh Community Hospital
 * Denbigh Friary
 * Denbigh Moors
 * Denbigh Town F.C.
 * Denbigh Town Hall
 * Denbighshire Coalfield
 * Denbighshire Constabulary
 * Denise Idris Jones
 * Dennis Avoth
 * Dennis Powell (boxer)
 * Denny Island
 * Derec Llwyd Morgan
 * Derek Bevan
 * Derek Hodgson (trade unionist)
 * Derek Jones (civil servant)
 * Derek Tapscott
 * Derek Vaughan
 * Derrero
 * Derry Ormond Tower
 * Deryn Rees-Jones
 * Desecration (band)
 * Desert of Wales
 * Desperate Poaching Affray
 * Devauden
 * Devil's Appendix
 * Devil's Bridge
 * Devil's Bridge railway station
 * Dewi-Prys Thomas
 * Dewi Emrys
 * Dewi Llwyd
 * Dewi Meirion Lewis
 * Dewi Penrhyn Jones
 * Dewisland
 * Dewstow House
 * Diana, Our Mother: Her Life and Legacy
 * Diana Morgan (screenwriter)
 * Dibleys Nurseries
 * Dic Edwards
 * Dic Siôn Dafydd
 * Dick Lewis (politician)
 * Dick Power
 * Dilys Glynne Jones
 * Din Dryfol
 * Din Lligwy
 * Dinas Cross
 * Dinas Dinlle
 * Dinas Island
 * Dinas Powys (electoral ward)
 * Dinas Powys railway station
 * Dinas railway station
 * Dinefwr Sharks
 * Dingad of Llandingat
 * Dingestow
 * Dingle Road railway station
 * Dinorwic Railway
 * Dinorwic quarry
 * Diocese of Bangor
 * Diphwys Casson quarry
 * Director of Public Prosecutions (England and Wales)
 * Disappearance of Trevaline Evans
 * Divorce in England and Wales
 * Dixton
 * Dog Stone, Mynydd Varteg
 * Dolbadarn Castle (Turner)
 * Doldowlod railway station
 * Dolforgan Hall
 * Dolgarrog railway station
 * Dolgellau Deanery
 * Dolgellau and Barmouth Hospital
 * Dolgellau transmitting station
 * Dolgoch (locomotive)
 * Dolwyddelan
 * Dolygaer railway station
 * Domenick Davies
 * Don Dearson
 * Don Skene
 * Donald Braithwaite
 * Donald Evans (Welsh poet)
 * Donald Houston
 * Dormarch
 * Dorothea quarry
 * Dorothy Simpson
 * Dorothy Squires
 * Douglas (locomotive)
 * Douglas Chamberlain
 * Dovey Junction railway station
 * Downing Hall
 * Dragon's Heart Hospital
 * Dragon Park
 * Dragon Ride Wales
 * Drainage district
 * Drefach Group
 * Drew Sherman
 * Dripping cake
 * Drostre Bank
 * Drybridge (Monmouth ward)
 * Drybridge House, Monmouth
 * Duane Jones (snooker player)
 * Duke of Beaufort
 * Dulas Bay
 * Dulas Bridge
 * Dungleddy
 * Dunraven Castle
 * Dunvant
 * Dunvant Male Choir
 * Dwynwen
 * Dyddgu Hywel
 * Dyfan
 * Dyffryn, Vale of Glamorgan
 * Dyffryn Ardudwy
 * Dyffryn Clydach
 * Dyffryn School
 * Dyfi Bridge
 * Dyfi Estuary Mudflats
 * Dyfi Osprey Project
 * Dyfi Valley Way
 * Dyfnant Forest
 * Dyfnwal Moelmud
 * Dyfodwg
 * Dylan Thomas Prize
 * Dylife
 * Dylife Gorge
 * Dyne Steel Incline
 * Dynea Halt railway station
 * Dynevor School, Swansea
 * Dyserth
 * Dyserth branch line
 * Dŵr Cymru Welsh Water
 * E. G. Bowen
 * E. Gwyndaf Evans
 * Eagles Meadow
 * Earl Cawdor
 * Earl Stanhope
 * Earl of Plymouth
 * Earl of Powis
 * Early modern period in Wales
 * East Carmarthenshire (UK Parliament constituency)
 * East Glamorganshire (UK Parliament constituency)
 * East Williamston
 * Eastbrook railway station
 * Easy Radio
 * Ebbw Vale (High Level) railway station
 * Ebbw Vale (Low Level) railway station
 * Ebbw Vale (UK Parliament constituency)
 * Ebbw Vale Parkway railway station
 * Ebbw Vale RFC
 * Ebbw Vale Town railway station
 * Ebbw Vale bus station
 * Ebeneser Chapel, Ammanford
 * Ebenezer Baptist Chapel, Llandovery
 * Ebenezer Chapel, Aberavon
 * Ebenezer Chapel, Llanelli
 * Ebenezer Chapel, Trecynon
 * Ectogram
 * Ed Shervington
 * Eddie Beach
 * Eddie Dennis
 * Eddie James (rugby union)
 * Eddie Ladd
 * Eddie Niedzwiecki
 * Edern ap Nudd
 * Edgar Evans (tenor)
 * Edgar Jones (politician)
 * Edgar Phillips
 * Edgar Thomas (footballer)
 * Edith Parnell
 * Edith of Mercia
 * Edla Spencer-Churchill, Duchess of Marlborough
 * Edmund Meyrick
 * Edmund Meyricke (MP)
 * Edmund Swetenham
 * Edmund de Bromfield
 * Educating Cardiff
 * Education and Learning Wales
 * Edward Barnes (poet and translator)
 * Edward Barnwell
 * Edward Davies Memorial Chemistry Laboratories
 * Edward Edwards (priest)
 * Edward Edwards (zoologist)
 * Edward Ernest Hughes
 * Edward Foulkes
 * Edward Greenly
 * Edward H. Dafis
 * Edward Haycock Sr.
 * Edward Hughes (poet)
 * Edward James (priest)
 * Edward John Hutchins
 * Edward Jones (Methodist preacher)
 * Edward Jones (bishop)
 * Edward M. Lewis
 * Edward Matthews (author)
 * Edward Millward
 * Edward Morgan (priest)
 * Edward Naylor-Leyland
 * Edward Owen (translator)
 * Edward Pegge
 * Edward Phillips (cricketer, born 1883)
 * Edward Pierce (priest)
 * Edward Richard
 * Edward Roderick Davies
 * Edward Samuel
 * Edward Stephen
 * Edward Thomas (locomotive)
 * Edward Vaughan (bishop)
 * Edward Vaughan (died 1683)
 * Edward Willes (bishop)
 * Edward Williamson
 * Edward Wynne (chancellor)
 * Edwin Cross
 * Edwin Hughes (soldier)
 * Edwin Octavius Tregelles
 * Edwin Regan
 * Edwin Rowlands
 * Edwin Thomas Maynard
 * Edwyn Cynrig Roberts
 * Efail Fach television relay station
 * Eglwys Brewis
 * Eglwys Nunydd
 * Eglwysbach
 * Eglwyseg
 * Eglwysilan
 * Eglwyswen
 * Eglwyswrw
 * Ehud Rogers
 * Eifion Evans (church historian)
 * Eifionydd
 * Eight-Arch Bridge
 * Eigiau Tramway
 * Eigra Lewis Roberts
 * Einion Frenin
 * Einion ab Anarawd
 * Einion ab Owain
 * Einion ap Collwyn
 * Einir Dafydd
 * Eira Friesen
 * Eirian Llwyd
 * El Jones
 * El Sieco's
 * Eleanor Daniels
 * Eleanor de Braose
 * Elementary school (England and Wales)
 * Elen Evans
 * Elen Gwdman
 * Elen ferch Llywelyn
 * Elena Puw Morgan
 * Elenydd
 * Elephant and Castle, Wrexham
 * Eleri Morgan (comedian)
 * Eleri Rees
 * Elevate your sole
 * Elfael
 * Elfodd
 * Elfyn Evans
 * Elfyn Lewis
 * Elian (Welsh saint)
 * Elias Sydall
 * Elidir Fawr
 * Eliezer Williams
 * Elim Chapel, Cwmdare
 * Elim Independent Chapel, Carmarthen
 * Elin Williams
 * Elinor Snowsill
 * Elisabeth Bennett
 * Elisabeth Inglis-Jones
 * Elisabeth Whittle
 * Elise Hughes
 * Elisedd ap Cyngen
 * Elisedd ap Gwylog
 * Elizabeth Baker (diarist)
 * Elizabeth Ferrers
 * Elizabeth Haywood
 * Elizabeth Mortimer
 * Elizabeth Phillips Hughes
 * Elizabeth Treasure
 * Elizabeth Watkin-Jones
 * Elizabeth Watkin Jones
 * Ellen Evans
 * Ellen Hughes
 * Elli (electoral ward)
 * Elli Norkett
 * Ellis Evans
 * Ellis Owen
 * Ellis Owen Ellis
 * Ellis Pierce
 * Ellis Price
 * Eluned Parrott
 * Elvet Jones
 * Elvey MacDonald
 * Elway Bevin
 * Ely Hospital
 * Ely Main Line railway station
 * Ely Racecourse
 * Elynor Bäckstedt
 * Emergency planning in Wales
 * Emily Allen
 * Emily Hollinshead
 * Emily Huws
 * Emily Stone (writer)
 * Emlyn
 * Emma Jenkins
 * Emma Manners, Duchess of Rutland
 * Emrys Evans
 * Emrys Jones (geographer)
 * Emrys Thomas
 * Emyr Humphreys
 * Energlyn & Churchill Park railway station
 * England (1813 ship)
 * English Baptist Church, Abercarn
 * English Baptist Church, Carmarthen
 * English Congregational Church, Carmarthen
 * English Maelor
 * English and Australian Copper Company
 * English and Welsh
 * English and Welsh bastardy laws
 * Englyn
 * Enoch Morrell
 * Enoch Salisbury
 * Environment Centre (Swansea)
 * Epistolae Ho-Elianae
 * Equally Cursed and Blessed
 * Erasmus Jones
 * Erasmus Lewes
 * Erasmus Saunders (priest, died 1724)
 * Erfyl
 * Eric James Watson
 * Eric Jones (climber)
 * Eriviat Hall
 * Ernest Salter Davies
 * Ernest William Jones
 * Ernest Willows
 * Ernest Zobole
 * Ernie Carless
 * Ernie Jenkins
 * Erwood railway station
 * Erwood transmitting station
 * Eryl Davies
 * Eryrys
 * Esclusham
 * Esgair Moel
 * Essential Skills Wales
 * Esso Refinery, Milford Haven
 * Estrons
 * Estyn
 * Estyn Griffiths
 * Ethel Lina White
 * Etymology of Wales
 * Eubule Thelwall (politician)
 * Eufydd fab Dôn
 * Eunice Stallard
 * Eurig Wyn
 * Euros Bowen
 * Evan Davies (Myfyr Morganwg)
 * Evan Herber Evans
 * Evan James Williams
 * Evan Lewis (priest)
 * Evan Lloyd (poet)
 * Evan Lloyd (rugby union, born 2001)
 * Evan Lloyd Vaughan
 * Evan Mathew Richards
 * Evan Morgan, 2nd Viscount Tredegar
 * Evan Seys
 * Evan Shelby
 * Evan Thomas (inventor)
 * Evan Thomas Davies (cleric)
 * Evan Thomas Davies (musician)
 * Evan W. Evans
 * Evan Walters
 * Evangelical Presbyterian Church in England and Wales
 * Ewan Davies
 * Ewart Jones
 * Ewenny Pottery
 * Ewenny Priory House
 * Ewenny River
 * Ewenny and Pant Quarries
 * Ewloe
 * Ewyas
 * Express Motors
 * Eynon Evans
 * Eynon Hawkins
 * F. Gwendolen Rees
 * FC United of Wrexham
 * Faenol Festival
 * Fairbourne
 * Fairbourne Spit
 * Fairwater, Cardiff
 * Fairwater, Torfaen
 * Fairwood Hospital
 * Fairy Falls, Trefriw
 * Falcondale House
 * Fan Brycheiniog
 * Fan Fraith
 * Fan Hir
 * Fan y Big
 * Fanny Winifred Edwards
 * Fastnet Line
 * Fatal Accidents Act 1846
 * Fauna of Wales
 * Fay Ray (band)
 * Felin Fach railway station
 * Felindre
 * Felindre Farchog
 * Felindyffryn Halt railway station
 * Felinfoel
 * Ferndale Colliery
 * Ferryside
 * Ferryside television relay station
 * Ffairfach
 * Ffaldybrenin
 * Fferm
 * Ffestiniog Memorial Hospital
 * Ffestiniog transmitting station
 * Ffion Bowen
 * Ffion Hague
 * Fflach
 * Fflur Dafydd
 * Fforest Fawr
 * Fforest Fawr Geopark
 * Fforestfach
 * Ffos-y-fran Land Reclamation Scheme
 * Ffos Las
 * Ffridd Faldwyn, Montgomery
 * Ffrith Beach
 * Ffynnon Llugwy
 * Ffynnon Sara
 * Ffynone House
 * Fiddler's Elbow National Nature Reserve
 * Fifteen Tribes of Wales
 * Fin Stevens
 * Fionn McLoughlin
 * Fire authority
 * Fireman Sam: The Great Fire of Pontypandy
 * Fireman Sam in Action
 * First Drakeford government
 * Fish Legal
 * Fishguard & Goodwick Marina
 * Fishguard Harbour railway station
 * Fishguard Town Hall
 * Fishguard and Goodwick
 * Fishguard and Goodwick railway station
 * Fitzalan High School
 * Flag of Anglesey
 * Flag of Ceredigion
 * Flag of Merionethshire
 * Flag of the Church in Wales
 * Flash Morgan Webster
 * Flemingston
 * Flint Town Hall
 * Flint railway station
 * Flintshire Bridge
 * Flintshire Falcons
 * Flora Forster
 * Florence Booth
 * Florence Williams (rugby union)
 * Florrie Evans
 * Floyd Havard
 * Fochriw
 * Foel-fras
 * Foel Chwern
 * Foel Drygarn
 * Foel y Geifr
 * Folly Farm Adventure Park and Zoo
 * Folly Tower, Pontypool
 * Fonmon
 * Food Hygiene Rating (Wales) Act 2013
 * For Tinkerbell
 * Ford Bridgend Engine Plant
 * Forden
 * Forden Gaer
 * Forge Row, Cwmavon
 * Forge Side
 * Fort Hubberstone
 * Forté Project
 * Forward Wales
 * Foryd railway station
 * Four Crosses, Llanfair Caereinion
 * Foxhunter
 * Frampton, Vale of Glamorgan
 * Frances Bunsen
 * Frances Donovan
 * Frances Hughes
 * Francesco Serafino
 * Francis Davies (bishop)
 * Francis Evelyn
 * Francis Jones (historian)
 * Francis Mostyn (archbishop of Cardiff)
 * Frank Curtis
 * Frank Goodden
 * Frank Hancock
 * Frank Hoddinott
 * Frank Howel Evans
 * Frank Moody
 * Frank Shayler
 * Fred Evans (boxer)
 * Fred Mathias
 * Fred Roberts (RAF officer)
 * Fred Warren
 * Freddie Issaka
 * Frederick Higginson
 * Frederick John Alban
 * Frederick Lewis Davis
 * FreeBMD
 * Free Borough of Llanrwst
 * Free b
 * Freshwater East
 * Friars School, Bangor
 * Friends of Wales Caucus
 * Froncysyllte
 * Froncysyllte Male Voice Choir
 * Fronfraith Hall
 * Frongoch
 * Frongoch internment camp
 * Fulk Lloyd
 * Fulton House, Swansea
 * Funnybones
 * GO Wales
 * Gabriel Powell
 * Gabriele Biancheri
 * Gabrielle Creevy
 * Gadlys (electoral ward)
 * Gadlys Chapel
 * Gaer Penrhôs
 * Gair Rhydd
 * Gallt y Wenallt
 * Game On (song)
 * Ganllwyd
 * Garden Village A.F.C.
 * Gareth Alban Davies
 * Gareth Allen
 * Gareth Baber
 * Gareth Bennett (politician)
 * Gareth Davies (rugby union, born 1955)
 * Gareth Evans (filmmaker)
 * Gareth F. Williams
 * Gareth Newman
 * Gareth Walters
 * Gareth Williams (rugby union, born 1981)
 * Garn-yr-erw
 * Garnddyrys Forge
 * Garndiffaith Viaduct
 * Garth, Bridgend
 * Garth Hill
 * Garth Stadium
 * Garth railway station (Bridgend)
 * Gartheiniog quarry
 * Garw/Ffaldau Colliery
 * Garw S.B.G.C.
 * Garw Valley
 * Garw Valley Railway
 * Gary Pickford-Hopkins
 * Gateholm
 * Gavelkind
 * Gavin Rees
 * Gaz Oakley
 * Geirionydd Rural District
 * Gele (electoral ward)
 * Gelli, Pembrokeshire
 * Gelli, Rhondda
 * Gelli Aur country park
 * Gelli Farmhouse, Llanvetherine
 * Gelli Felen Halt railway station
 * Gellimanwydd Chapel
 * Gemma Evans (footballer)
 * Gemma Frizelle
 * Gemma Rowland
 * Genealogies from Jesus College MS 20
 * General Register Office for England and Wales
 * Genod Droog
 * Geoff Eales
 * Geoff Ellis
 * Geoff Holder
 * Geoffrey Dhenin
 * George Bull
 * George Cadogan Morgan
 * George Constantine (priest)
 * George Cording
 * George Edward Day
 * George Fisher (dramatist)
 * George Frederick Harding
 * George Gould Morgan
 * George Grant Francis
 * George Griffith (bishop)
 * George Hotel, Chepstow
 * George Howells
 * George Huntington (priest)
 * George Irby, 6th Baron Boston
 * George Jeffreys (pastor)
 * George Latham (footballer)
 * George Lockwood Morris
 * George Lort Phillips
 * George Nugent Tyrrell
 * George Owen Harry
 * George Prothero (cricketer)
 * George Reynolds (boxer)
 * George Shaw (cricketer, born 1931)
 * George Stradling
 * George Street Bridge, Newport
 * George Thomson (footballer, born 1854)
 * George Travers (rugby union)
 * George Tyler (Royal Navy officer)
 * Georgetown, Blaenau Gwent
 * Georgia Evans (rugby union)
 * Georgia Walters
 * Georgia Wilson (equestrian)
 * Geraint Goodwin
 * Geraint Griffiths
 * Geraint H. Jenkins
 * Geraint Howells
 * Geraint Jarman
 * Geraint Stanley Jones
 * Geraint Talfan Davies
 * Geraint Todd
 * Geraint son of Erbin
 * Geraint the Blue Bard
 * Gerald Jones
 * Gerald Williams (tennis commentator)
 * Gerald de Windsor
 * Gerallt Lloyd Owen
 * Gerard Cousins
 * Gerwyn Price
 * Geufron Hall, Llangollen
 * Gian Fulgoni
 * Giants (Welsh folklore)
 * Gilbern
 * Gilbert Basset
 * Gilbert Fitz Richard
 * Gilbert de Clare, 7th Earl of Gloucester
 * Gileston Manor
 * Gileston railway station
 * Gilfach Ddu
 * Gilfach Ddu railway station
 * Gilfach Goch
 * Gilfaethwy
 * Gillian Gill
 * Gilwern Halt railway station
 * Gilwern Hill, Monmouthshire
 * Ginger Jones
 * Gipsy Daniels
 * Gladstone's Library
 * Gladys Morgan
 * Glamorgan Archives
 * Glamorgan Building
 * Glamorgan County Silver Ball Trophy
 * Glamorgan Wanderers RFC
 * Glamorganshire (UK Parliament constituency)
 * Glamorganshire Golf Club
 * Glan-y-Mor Comprehensive School
 * Glan Conwy railway station
 * Glan Llyn
 * Glan y Llyn railway station
 * Glanamman (electoral ward)
 * Glandwr, Pembrokeshire
 * Glandyfi Castle
 * Glanrhyd Hospital
 * Glanusk Park
 * Glasbury
 * Glasbury (electoral ward)
 * Glascwm
 * Glaslyn Osprey Project
 * Glaslyn Rural District
 * Glastir
 * Glen Moody
 * Glen Usk, Llanhennock
 * Glendower House, Monmouth
 * Glewlwyd Gafaelfawr
 * Gloddfa Ganol
 * Glogue
 * Gloucester–Newport line
 * Glyder (electoral ward)
 * Glyder Fach
 * Glyderau
 * Glyn Ceiriog
 * Glyn Davidge
 * Glyn Garner
 * Glyn Houston
 * Glyn Simon
 * Glyn Valley Tramway
 * Glyncorrwg
 * Glyndyfrdwy
 * Glyndŵr Award
 * Glyndŵr House, Grosmont
 * Glynllifon
 * Glynllifon Street railway station
 * Gnoll Country Park
 * Godfrey Morgan, 1st Viscount Tredegar
 * Gofannon
 * Goginan
 * Gold Medal (National Eisteddfod of Wales)
 * Goldcliff, Newport
 * Goldcliff Priory
 * Goldsland
 * Golf Halt railway station
 * Goodwick (electoral ward)
 * Gordon Back
 * Goreu fab Custennin
 * Goronwy Owen (poet)
 * Gorseddau Junction and Portmadoc Railway
 * Gorseddau Tramway
 * Gorseinon RFC
 * Governing Body of the Church in Wales
 * Govilon railway station
 * Gower Ornithological Society
 * Gower and Swansea Bay Coast Path
 * Gower dialect
 * Gowerton
 * Gowerton Comprehensive School
 * Gowerton railway station
 * Grace Dulais Davies
 * Grace Williams
 * Graeme Garrard
 * Graham Dixon-Lewis
 * Graham Price
 * Graham Williams (footballer, born 1938)
 * Graianrhyd
 * Graig-y-Rhacca
 * Graig Wood
 * Graigwen
 * Grand Hotel (Llandudno)
 * Grand Pavilion, Porthcawl
 * Grand Union (train operating company)
 * Grange Farmhouse farm buildings, Newcastle, Monmouthshire
 * Grannygate
 * Granston
 * Grant Llewellyn
 * Great Brynhill
 * Great Castle House
 * Great Cefnyberen
 * Great House, Llanarth
 * Great House, Llanover
 * Great House Farm, Llangua
 * Great Killough
 * Great Pool Hall, Llanvetherine
 * Great Porthamel Farm and Gatehouse
 * Great Tresenny Farmhouse
 * Great Western Cities
 * Great Western Mine
 * Greatest Hits Radio South Wales
 * Green Bridge of Wales
 * Green Gathering
 * Green Man Festival
 * Greenala Point
 * Greenfield, Flintshire
 * Greenlink
 * Greenway, Pembrokeshire
 * Greg Bowen
 * Greg Fitzgerald
 * Greg Hill (poet)
 * Greg Holmes (cricketer)
 * Gregynog Hall
 * Gresford
 * Grey Mare's Tail, Conwy
 * Griffith's Crossing railway station
 * Griffith Arthur Jones
 * Griffith Evans (bacteriologist)
 * Griffith Hartwell Jones
 * Griffith J. Griffith
 * Griffith Lloyd
 * Griffith Powell
 * Griffith W. Griffith
 * Griffithstown
 * Griffithstown Railway Museum
 * Groes-faen
 * Groeslon railway station
 * Groeswen Halt railway station
 * Gronw Pebr
 * Grosmont, Monmouthshire
 * Grosmont Town Hall
 * Grouted roof
 * Grove Building
 * Grove Farm House, Llanfoist
 * Gruffudd Fychan II
 * Gruffudd Vychan
 * Gruffudd ab Owain Glyndŵr
 * Gruffudd ap Llywelyn ap Iorwerth
 * Gruffydd Fychan ap Iorwerth
 * Gruffydd Maelor I
 * Gruffydd Young
 * Gruffydd ap Rhys ap Thomas
 * Grwyne Fawr
 * Guardian (sculpture)
 * Guest family
 * Guild of Our Lady of Ransom
 * Guildhall, Wrexham
 * Guilsfield
 * Gulf Refinery, Milford Haven
 * Gumfreston
 * Gunter Mansion
 * Gurnos
 * Guto Bebb
 * Guto Dafydd
 * Guto Nyth Brân
 * Gwaelod-y-Garth
 * Gwaenynog
 * Gwaith Powdwr
 * Gwalchmai, Anglesey
 * Gwaun-Cae-Gurwen
 * Gwawl
 * Gwawr Chapel
 * Gwen Crabb
 * Gwen ferch Ellis
 * Gwenan Davies
 * Gwendoline Davies
 * Gwendoline Trubshaw
 * Gwenfron Moss
 * Gwenllian Jenkins
 * Gwenllian Morgan
 * Gwenlyn Parry
 * Gwennan Harries
 * Gwenno Teifi
 * Gwenny Griffiths
 * Gwent Archives
 * Gwent Wildlife Trust
 * Gwenwynwyn
 * Gwerclas
 * Gwerful Fychan
 * Gwerful Mechain
 * Gwern
 * Gwernaffield
 * Gwernydd Penbre
 * Gwernydomen Halt railway station
 * Gwersyllt railway station
 * Gweunydd Glan-y-glasnant
 * Gwgon ap Meurig
 * Gwilliam Iwan Jones
 * Gwilym (band)
 * Gwilym Davies (minister)
 * Gwilym Edwards
 * Gwilym Gwent
 * Gwilym Tilsley
 * Gwilym ap Griffith
 * Gwlad
 * Gwlad y Gân
 * Gwladys
 * Gwladys Yvonne McKeon
 * Gwladys ferch Dafydd
 * Gwrfyw
 * Gwrhyr Gwalstawd Ieithoedd
 * Gwriad ap Elidyr
 * Gwrych Castle
 * Gwyddelwern
 * Gwyddno Garanhir
 * Gwydyr House
 * Gwyllion
 * Gwyn Jones (physicist)
 * Gwyn Jones (rugby union)
 * Gwyn Martin
 * Gwyn Morgan (civil servant)
 * Gwyn Thomas (novelist)
 * Gwyn ap Nudd
 * Gwyndaf Evans
 * Gwynfe
 * Gwynfryn, Wrexham
 * Gwynno
 * Gwyrfai Rural District
 * Gyrn Castle
 * H.M. Stanley Hospital
 * HMS Cambria (shore establishment)
 * HM Inspectorate of Probation
 * HM Prison Berwyn
 * HM Prison Cardiff
 * HM Prison Usk
 * Hadyn Ellis
 * Hafina Clwyd
 * Hafod
 * Hafod Copperworks
 * Hafod Elwy Moor National Nature Reserve
 * Hafod Uchtryd
 * Hafod y Llyn railway station
 * Hafodyrynys
 * Hafren Forest
 * Hakin
 * Hakin Docks railway station
 * Halfway railway station
 * Halghton
 * Halkyn
 * Halkyn Castle
 * Hall Street Methodist Church, Llanelli
 * Hammerfest (festival)
 * Hana Lili
 * Hanan Issa
 * Hanbury Arms
 * Hancorne family
 * Handel Greville
 * Hanef Bhamjee
 * Hanmer, Wrexham
 * Hannah Blore
 * Hannah Blythyn
 * Hannah Brier
 * Hannah Dingley
 * Hannah Grace
 * Hannah Jones (rugby union)
 * Hannah Stone
 * Hans Busk (1772–1862)
 * Harleian genealogies
 * Harold Arthur Harris
 * Harold Thomas (rugby union, born 1883)
 * Harold Williams (priest, died 1954)
 * Haroldston St. Issell's
 * Haroldston West
 * Harri Ackerman
 * Harri Pritchard-Jones
 * Harrison Keddie
 * Harry Adams (footballer)
 * Harry Davies (socialist)
 * Harry Greene (television personality)
 * Harry Holland (artist)
 * Harry Longueville Jones
 * Hasguard
 * Hate speech laws in the United Kingdom
 * Haverfordwest Bank
 * Haverfordwest Castle (electoral ward)
 * Haverfordwest Priory (electoral ward)
 * Haverfordwest Rural District
 * Haverfordwest Town Museum
 * Haverfordwest transmitting station
 * Hawarden
 * Hawarden Castle (18th century)
 * Hawarden High School
 * Hawarden railway station
 * Hawise Lestrange
 * Hay-on-Wye Bridge
 * Hay Railway
 * Haydn Llewellyn Davies
 * Hayes Island Snack Bar
 * Hayscastle
 * Health and Care Research Wales
 * Heart North and Mid Wales
 * Heart South Wales
 * Heart Valley
 * Heath, Cardiff
 * Heath Low Level railway station
 * Heather and Ivan Morison
 * Hebron Chapel, Ton Pentre
 * Hebron railway station
 * Hedd Wyn (film)
 * Hefin O'Hare
 * Heinz Koppel
 * Heledd Fychan
 * Helen Jenkins
 * Helen Mackay (sculptor)
 * Helen Mary Jones
 * Helen Raynor
 * Helen Thomas (activist)
 * Helen Ward (footballer)
 * Helen Watts
 * Helig ap Glanawg
 * Hen-Dy-Cwrdd
 * Hen Domen
 * Hen Dyffryn Gwyn
 * Hen Gaer
 * Hen Gwrt Moated Site
 * Hen Llys
 * Henblas Burial Chamber
 * Hendre'r-ywydd Uchaf Farmhouse
 * Hendre-Ddu Tramway
 * Hendrefoilan
 * Hengoed
 * Hengoed railway station
 * Hengwrt
 * Henllan
 * Henllan Amgoed
 * Henllan railway station
 * Henrhyd Falls
 * Henry's Moat
 * Henry Avray Tipping
 * Henry Clarence Whaite
 * Henry Davies (journalist)
 * Henry Edwards (priest)
 * Henry Frederick, Prince of Wales
 * Henry Haydn Jones
 * Henry Hicks (geologist)
 * Henry James (Dean of Bangor)
 * Henry Jones-Davies (farmer)
 * Henry Jones (philosopher)
 * Henry Landor
 * Henry Lewis (academic)
 * Henry Morgan (bishop)
 * Henry Paget, 4th Marquess of Anglesey
 * Henry Parry (priest)
 * Henry Perry (writer)
 * Henry Rowlands (bishop)
 * Henry Somerset, 1st Marquess of Worcester
 * Henry Spinetti
 * Henry Tudor School
 * Henry Vivian, 1st Baron Swansea
 * Henry William John Edwards
 * Heol Senni Quarry
 * Heolyfelin Chapel
 * Herbert Millingchamp Vaughan
 * Herbert Price
 * Herbert family
 * Herbrandston
 * Heritage coast
 * Hermon, Pembrokeshire
 * Hermon Chapel, Penrhiwceiber
 * Hiag Akmakjian
 * Hidden (2018 TV series)
 * Hieracium radyrense
 * High Court enforcement officer
 * High Court judge (England and Wales)
 * High Glanau
 * High Hopes (British TV series)
 * High House, Penrhos, Monmouthshire
 * Higher Education Funding Council for Wales
 * Higher Kinnerton
 * Hightown, Wrexham
 * Hightown Barracks
 * Hijinx Theatre
 * Hill's Tramroad
 * Hill Mountain
 * Hirwaun railway station
 * History of Cardiff City F.C.
 * History of rugby union matches between Argentina and Wales
 * History of rugby union matches between Scotland and Wales
 * History of the Wales national rugby union team (2004–present)
 * Hodgeston
 * Hodgeston Parish Church
 * Hogia'r Wyddfa
 * Holiday on the Buses
 * Holy Cross Church, Port Talbot
 * Holy Trinity Church, Marcross
 * Holy Trinity Church, Sarn
 * Holyhead Breakwater
 * Holyhead Breakwater Lighthouse
 * Holyhead Lifeboat Station
 * Holyhead Mail Pier Lighthouse
 * Holyhead Maritime Museum
 * Holyhead Market Hall
 * Holyhead Mountain
 * Holyhead Mountain Hut Circles
 * Holyhead Town Council
 * Holyhead Town Hall
 * Holyhead transmitting station
 * Holywell, Flintshire
 * Holywell Community Hospital
 * Holywell Town Hall
 * Holywell branch line
 * Honno (publisher)
 * Honourable and Loyal Society of Antient Britons
 * Honours of the Principality of Wales
 * Hook, Pembrokeshire
 * Hoover's Sports Ground
 * Hope Hall
 * Hope railway station (Wales)
 * Hopkinstown
 * Horace Cumner
 * Horace Lyne
 * Horeb Chapel, Llwydcoed
 * Horizons Gorwelion
 * Horseman's Green
 * Horseshoe Falls (Wales)
 * Horsley Hall, Gresford
 * Horton and Port Eynon Lifeboat Station
 * Houghton, Pembrokeshire
 * Howard Collins
 * Howard Spring
 * Howard Stringer
 * Howard Thomas (producer)
 * Howel Gwyn
 * Howel Harris Hughes
 * Howell's House, Grosmont
 * Howell's School, Denbigh
 * Howell's School, Llandaff
 * Howell Davis
 * Howell Elvet Lewis
 * Howell Idris
 * Howell Jones Williams
 * Howells (department store)
 * Howick Farmhouse, Itton
 * Hu Gadarn
 * Hubberston
 * Hubert Rhys
 * Hueil mab Caw
 * Hugh Beaver Roberts
 * Hugh Davies (botanist)
 * Hugh Evans (politician)
 * Hugh Gore (bishop)
 * Hugh Hughes (poet)
 * Hugh Ingledew
 * Hugh John Vaughan Campbell, 6th Earl Cawdor
 * Hugh Johns
 * Hugh Lindsay (bishop)
 * Hugh Lloyd (bishop)
 * Hugh Maurice
 * Hugh Morriston Davies
 * Hugh Owen (educator)
 * Hugh Owen (minister)
 * Hugh Percy Wilkins
 * Hugh Roberts (politician)
 * Hugh Vaughan (Governor of Jersey)
 * Hugh Vincent
 * Hugh Williams (historian)
 * Hughes Memorial, Corris
 * Humphrey Lloyd (bishop)
 * Humphrey Mackworth
 * Humphrey Owen Jones
 * Hundleton
 * Huw Morus
 * Huw Owen
 * Huw Richards
 * Huw Thomas (Welsh politician)
 * Huw Williams
 * Huwal of the West Welsh
 * Hwb
 * Hwyl Nofio
 * Hyam's Mineral Water Works
 * Hygga House Dovecote, Trellech
 * Hymns to the Stone
 * Hywel Bennett
 * Hywel Gwynfryn
 * Hywel Sele
 * Hywel Williams
 * Hywel ap Ieuaf
 * Hywel the Great
 * ITV Cymru Wales
 * Iago ap Beli
 * Iain Rogerson
 * Ian Buckett
 * Ian Hillier
 * Ian Johnston (police commissioner)
 * Ian Parrott
 * Ian Skidmore
 * Ian Watson (rugby league)
 * Ianto Davies
 * Ida de Grey
 * Idris Cox
 * Idris Davies
 * Idris Foster
 * Idris Gawr
 * Idris Hopkins
 * Idris Jones (chemist)
 * Idris Lewis
 * Idwal Foel
 * Idwal Iwrch
 * Iestyn George
 * Ieuan Morris
 * Ieuan Rees
 * Ieuan ap Hywel Swrdwal
 * Ieuan ap Rhydderch ab Ieuan Llwyd
 * Ifor Bach
 * Ifor Owen
 * Ike Fowler
 * Illtyd (electoral ward)
 * Ilston
 * Ilston Book
 * Imogen Thomas
 * In Parenthesis
 * Inabwy
 * Independent Nation: Should Wales Leave the UK?
 * Infantry Battle School
 * Infrastructure Planning Commission
 * Ingimundr (tenth century)
 * Inglis Bridge, Monmouth
 * Inmos microprocessor factory
 * Institute of Art and Ideas
 * Institute of Biological, Environmental and Rural Sciences
 * Institute of Chartered Accountants in England and Wales
 * Interim Morgan administration
 * Internal Fire Museum of Power
 * International Convention Centre Wales
 * International Film Festival of Wales
 * International Open Series
 * Ioan Bowen Rees
 * Iolo Goch
 * Iolo Williams
 * Iorrie Isaacs
 * Iorwerth Goch ap Maredudd
 * Iorwerth Peate
 * Iris Gower
 * Iris Williams
 * Irma Chilton
 * Irreligion in Wales
 * Isaac Christie-Davies
 * Isaac Davis (advisor)
 * Isaac Foulkes
 * Isaac Jones (priest)
 * Isabella Gifford
 * Iscoed
 * Iscoyd Park
 * Island House, Laugharne
 * Isle of Anglesey electoral boundary changes 2012
 * Isycoed
 * Itton
 * Itton Court
 * Ivor Barry
 * Ivor Davies (rugby union, born 1892)
 * Ivor Gregory
 * Ivor Guest, 1st Baron Wimborne
 * Ivor Roberts-Jones
 * Iwan Bala
 * J. Dunn & Co., Tenby
 * J. G. Parry-Thomas
 * J. Glyn Davies
 * J. Gwyn Griffiths
 * J. S. Pughe
 * J. Vyrnwy Morgan
 * J W Poundley and D Walker
 * Jack Harris (singer-songwriter)
 * Jack Hurrell
 * Jack Jones (rugby union, born 1886)
 * Jack Marshman
 * Jack Perrett
 * Jack Petersen (boxer)
 * Jack Sargeant (politician)
 * Jack Shore
 * Jack Williams (rugby union)
 * Jack o' Kent
 * Jack to a King
 * Jackie Jones
 * Jacob Youde William Lloyd
 * Jade Jones (taekwondo)
 * Jak Jones
 * Jake Charles
 * Jake Taylor (footballer, born 1991)
 * Jakokoyak
 * Jamal Easter
 * James Ashwell
 * James Bevan
 * James Conway Davies
 * James Davis (satirist)
 * James Edmund Vincent
 * James Eirian Davies
 * James Fynn
 * James Goronwy Mathias
 * James Harrison (British Army officer)
 * James Howell
 * James Loveridge
 * James Madison Carpenter
 * James Perrot
 * James Philipps
 * James Price (of Monachty)
 * James Roberts (British athlete)
 * James Stephens (trade unionist)
 * James Waite (footballer, born 1999)
 * James Whitley (archaeologist)
 * James Williams (priest, died 1872)
 * Jameston
 * Jamie Lucas
 * Jamie Reed (footballer)
 * Jamie Wallis
 * Jane Aaron (educator)
 * Jane Brereton
 * Jane Cave
 * Jane Helen Rowlands
 * Jane Hughes (poet)
 * Jane Williams (Ysgafell)
 * Janet Haworth
 * Janet Henderson
 * Janet Price
 * Jasmine Joyce
 * Jason Brown (footballer)
 * Jason Cook (boxer)
 * Jason Mohammad
 * Jason Rees
 * Jay Ruckley
 * Jayne Bryant
 * Jayne Ludlow
 * Jazmin Carlin
 * Jean-François Le Gonidec
 * Jeffrey Cuthbert
 * Jeffrey Weeks (sociologist)
 * Jeffreyston
 * Jehdeiah Bowen
 * Jehoida Hodges
 * Jemima Phillips
 * Jemma Lowe
 * Jennie Eirian Davies
 * Jennifer Sullivan (writer)
 * Jenny James (swimmer)
 * Jenny McLoughlin
 * Jenny Ogwen
 * Jenny Randerson, Baroness Randerson
 * Jenny Willott
 * Jeremiah Azu
 * Jeremy Huw Williams
 * Jerry Hunter
 * Jerry the Tyke
 * Jerusalem Chapel, Bethesda
 * Jerusalem Chapel, Penrhiwceiber
 * Jerusalem Chapel, Ynysybwl
 * Jess Taylor-Roberts
 * Jessica Garlick
 * Jessica Raine
 * Jessica Roberts
 * Jessie Ace and Margaret Wright
 * Jillian Lane
 * Jim Burns
 * Jim Lang (rugby union)
 * Jim Pressdee
 * Jimmy Austin
 * Jimmy Jewell (climber)
 * Jo Price
 * Jo Stevens
 * Joan Williams (artist)
 * Joanna Gruesome
 * Jocelyn Burton
 * Joe Cordina
 * Joe Dunthorne
 * Joe Erskine (Welsh boxer)
 * Joe Johns (boxer)
 * Joe Low
 * Joel Makin
 * Joey Jones
 * John Ballinger (librarian)
 * John Barnie
 * John Bassett (died 1551)
 * John Beard (artist)
 * John Beddoes School
 * John Bevan (rugby union)
 * John Bryan Evans
 * John Bryn Edwards
 * John Callis (pirate)
 * John Campbell, 1st Earl Cawdor
 * John Campbell, 2nd Earl Cawdor
 * John Campbell of Cawdor
 * John Cledwyn Davies
 * John Collins (footballer, born 1949)
 * John David (musician)
 * John David Davies
 * John David Jenkins
 * John Davidson (cricketer, born 1964)
 * John Davies (Congregationalist minister, born 1804)
 * John Davies (Mallwyd)
 * John Davies (Unitarian minister, born 1795)
 * John Davies (bard)
 * John Davies (bibliographer and genealogist)
 * John Davies (priest, born 1795)
 * John Davies (translator)
 * John Davies of Nercwys
 * John Derrick (cricketer)
 * John Dyer
 * John Dyfnallt Owen
 * John Edward Daniel
 * John Edward Jones (governor)
 * John Edwards (Siôn Treredyn)
 * John Edwards (hymnist)
 * John Eldon Bankes
 * John Ellis (religious writer)
 * John Ellis Williams
 * John Evans (1702–1782)
 * John Evans (surgeon)
 * John Evans (topographical writer)
 * John Fitzalan (died 1240)
 * John Frost School
 * John Frost Square
 * John Gibson (editor and journalist)
 * John Gibson (sculptor)
 * John Glynne (judge)
 * John Griffith (journalist)
 * John Griffiths (Welsh politician)
 * John Griffiths (curator)
 * John Griffiths (mathematician)
 * John Gwenogvryn Evans
 * John Hanmer (bishop)
 * John Hardy (composer)
 * John Henry Evans
 * John Henry Salter
 * John Henry Vivian
 * John Herbert (Secretary of State)
 * John Hugh Jones
 * John Hughes (1873–1932)
 * John Hughes (antiquary)
 * John Hughes (businessman)
 * John Iltyd Nicholl
 * John Islan Jones
 * John Jeffery (rugby union)
 * John Jenkins (Ifor Ceri)
 * John Jenkins (Welsh politician)
 * John Jenkinson (bishop)
 * John Jones (Coch Bach y Bala)
 * John Jones (Jac Glan-y-gors)
 * John Jones (archdeacon of Merioneth)
 * John Jones (footballer, born 1856)
 * John Jones (literary patron)
 * John Jones (physician)
 * John Lansdown
 * John Laviers Wheatley
 * John Lewis (Radnor MP)
 * John Lewis (of Abernant)
 * John Lloyd-Jones
 * John Lloyd (Cardiganshire)
 * John Lloyd (judge)
 * John Lloyd (rector of Caerwys)
 * John Lloyd Davies
 * John Lloyd Thomas
 * John Lysaght and Co.
 * John Marek
 * John McGrath (artistic director)
 * John Morgan (poet)
 * John Morgan Lloyd
 * John Morris-Jones
 * John Owen (Owain Alaw)
 * John Owen (bishop of St Asaph)
 * John Owen (chancellor of Bangor)
 * John Owen (epigrammatist)
 * John Parry (Mormon)
 * John Parry (harpist)
 * John Penry
 * John Pettingall
 * John Petts (artist)
 * John Powell (judge)
 * John Price (footballer, born 1854)
 * John Price (librarian)
 * John Price Davies
 * John Prise
 * John Pugh (of Mathafarn)
 * John Rawlins (rugby union)
 * John Rea (footballer)
 * John Rice Jones
 * John Roberts, 1st Baron Clwyd
 * John Roberts (Presbyterian)
 * John Roberts (footballer, born 1946)
 * John Roberts (missionary)
 * John Roland Phillips
 * John Romilly Allen
 * John Rowlands (Giraldus)
 * John Scourfield
 * John Stevens (Wisconsin inventor)
 * John Stone (curler)
 * John Strand-Jones
 * John T. Koch
 * John T. Lewis
 * John Treasure
 * John Vaughan, 1st Earl of Carbery
 * John Vaughan, 1st Viscount Lisburne
 * John Vaughan (chief justice)
 * John Vivian, 4th Baron Swansea
 * John Vivian (1750–1826)
 * John W. Thomas (Wisconsin politician)
 * John Whitlock Nicholl Carne
 * John William Duncan
 * John William Evans (Welsh politician)
 * John Williams (barrister)
 * John Williams (minister and physician)
 * John Wogan (MP died 1557)
 * John Wogan (MP died 1580)
 * John Woodcock (police officer)
 * John Wynne (bishop)
 * John Wynne (industrialist)
 * John ac Alun
 * John of Thoresby
 * Johnnie Morgan
 * Johnny Houlston
 * Johnny Morris (television presenter)
 * Johnstown and Hafod railway station
 * Joint Service Mountain Training Centre
 * Jon Worth
 * Jonah Jones (sculptor)
 * Jonathan Adams (architect)
 * Jonathan Brown (Welsh footballer)
 * Jonathan Davies (cricketer, born 1980)
 * Jonathan Edwards (Welsh politician)
 * Jonathan Edwards (poet)
 * Jonathan Edwards (priest)
 * Jonathan Phillips (ice hockey)
 * Jonathan Shipley
 * Jones' Village Bakery
 * Jones of Hendwr
 * Jonny Williams
 * Jordan Davies (footballer)
 * Jordanston Halt railway station
 * Joseph Davies (priest)
 * Joseph Parry's Cottage
 * Josh Adams (rugby union)
 * Josh Hathaway
 * Josh Helps
 * Josh Wardle
 * Joshua Jones (TV series)
 * Joshua Parry
 * Joshua Thomas
 * Josiah D. Hicks
 * Josiah Rees
 * Jude Rogers
 * Judgement Day (rugby union)
 * Judges' Lodgings, Monmouth
 * Julian Cayo-Evans
 * Julie Morgan
 * Junior Tour of Wales
 * Justiciar of South Wales
 * Kai Owen
 * Kale (Welsh Roma)
 * Kamal Ali
 * Kara Chesworth
 * Karen Davies
 * Karen Holford
 * Karl Jones
 * Kate McGill
 * Katherine Grant, 12th Countess of Dysart
 * Kathleen Lloyd Jones
 * Katie Prankerd
 * Katrina Jacks
 * Kay Morley-Brown
 * Kayne McLaggon
 * Keeping Faith (TV series)
 * Keira Bevan
 * Keith Best
 * Keith Bradshaw (rugby union)
 * Keith Kissack
 * Keith Lloyd
 * Keith Robbins
 * Kelly Lee Owens
 * Kelly Morgan
 * Kelsey Jones (rugby union)
 * Kelvin Smart
 * Kemeys Commander
 * Kemeys Manor
 * Ken Leek
 * Kendrick's Cave
 * Kendrick's Cave Decorated Horse Jaw
 * Kenfig
 * Kenfig Castle
 * Kenfig Hill
 * Kenfig Pool
 * Kennixton Farmhouse
 * Kenyon Jones
 * Kerry, Powys
 * Kerry Hill sheep
 * Kerry Morgan
 * Kerry Peers
 * Kevin Brennan (politician)
 * Kevin Lloyd (footballer, born 1970)
 * Kevin Moseley
 * Kevin Sheedy (Irish footballer)
 * Kiban Rai
 * Kidwell-e Festival
 * Kidwelly Town Council
 * Kidwelly Town Hall
 * Kidwelly sex cult
 * Kieran Evans
 * Kieron Davies
 * Kieron Evans
 * Kieron Freeman
 * Kilgetty
 * Kilgetty/Begelly
 * Kilgwrrwg
 * Killay, Swansea
 * Killing of Ruth Williams
 * Kilsby Jones
 * Kilvey Community Woodland
 * Kilvey Hill
 * Kilvey Hill transmitting station
 * Kim Howells
 * Kimberley Nixon
 * King's Quoit
 * King Camber
 * King Henry VIII Grammar School
 * King Square, Barry
 * Kingsbridge, Swansea
 * Kington and Eardisley Railway
 * Kinmel Hall
 * Kinmel Park Training Area
 * Kinmel Park mutiny
 * Kirsty Williams
 * Kittle, Swansea
 * Knighton Community Centre
 * Knighton Hospital
 * Knights of the Royal Oak
 * Knucklas
 * Knucklas railway station
 * Kusha Petts
 * Kyle Letheren
 * Kyron Duke
 * LC, Swansea
 * LV 91
 * Labour for an Independent Wales
 * Lady Park Wood National Nature Reserve
 * Lake Vyrnwy Half Marathon
 * Lambrocus Thomas
 * Lampeter Castle
 * Lampeter Town Hall
 * Lampeter Town RFC
 * Lampeter Velfrey
 * Lampeter railway station
 * Lamphey
 * Lamphey Bishop's Palace
 * Land Authority for Wales
 * Land Transaction Tax
 * Land use in Wales
 * Landfill Disposals Tax
 * Landimore
 * Landore
 * Landore High Level railway station
 * Landore Viaduct
 * Langland Bay Golf Club
 * Languages of Wales
 * Lansbury Park
 * Lansdowne Primary School
 * Larkfield (electoral ward)
 * Lateysha Grace
 * Latin Mass Society of England and Wales
 * Laugharne Town Hall
 * Laugharne Township (electoral ward)
 * Laura Deas
 * Laura Evans-Williams
 * Laura Halford
 * Laura O'Sullivan
 * Lauren Harries
 * Lauren Parfitt
 * Lauren Price
 * Laurence Womock
 * Lavernock Battery
 * Lavernock railway station
 * Law Society of England and Wales
 * Lawrenny
 * Le Pub
 * Leadership & Management Wales
 * Learned Society of Wales
 * Leckwith development
 * Lee Nogan
 * Lee Selby
 * Lee Thomas (rugby union)
 * Leekes
 * Legal Services Complaints Commissioner
 * Legal Services Ombudsman
 * Legislative consent motion
 * Leighton Samuel
 * Len Newcombe
 * Leo Newton
 * Leon Atkin
 * Leon Pownall
 * Leonora Brito
 * Leslie Bonnet
 * Leslie Jones (footballer)
 * Leslie Morris
 * Leslie Thomas
 * Letterston
 * Levy-Dew
 * Lewis Gilbertson
 * Lewis Jones (writer)
 * Lewis Morris (1701–1765)
 * Lewis ab Owen
 * Lewys Glyn Cothi
 * Lexcel
 * Leyland Arms, Llanelidan
 * Liam Cullen
 * Liam Hutchinson
 * Liam Williams (rugby union)
 * Libanus Chapel, Aberaman
 * Lichfield Gospels
 * Liddeston
 * Lidmore
 * Life Sciences Hub Wales
 * Life imprisonment in England and Wales
 * Lightship 2000
 * Lillian Griffith
 * Limekilns at Kiln Park, Pembrokeshire
 * Limeslade Mystery
 * Limpert Bay
 * Linda Parker (bowls)
 * Linda Vista Gardens
 * Lisa Diveney
 * Lisa Gwilym
 * Lisa Lee Dark
 * Lisa Neumann
 * Lisa Power
 * List of Fairbourne Railway rolling stock
 * List of Llangollen Railway rolling stock
 * List of stations and halts on the Vale of Rheidol Railway
 * Litchard
 * Little Haven
 * Little Llwygy Farmhouse, Cwmyoy
 * Little Orme
 * Little Pitt Cottage
 * Little and Broad Haven Lifeboat Station
 * Live at Treorchy
 * Livox Wood
 * Liz Johnson (swimmer)
 * Llais Gwynedd
 * Llan-ar-goll-en
 * Llan Ffestiniog
 * Llanafan Fawr
 * Llanarmon-yn-Iâl
 * Llanarmon Dyffryn Ceiriog
 * Llanarmon Mynydd Mawr
 * Llanbadarn Fawr, Ceredigion
 * Llanbadarn Fawr, Powys
 * Llanbadarn Fawr Community Council
 * Llanbedr
 * Llanbedr-y-Cennin
 * Llanbedr Dyffryn Clwyd
 * Llanbedrog
 * Llanberis Lake Railway
 * Llanberis railway station (Llanberis Lake Railway)
 * Llanberis railway station (Snowdon Mountain Railway)
 * Llanbethery Platform railway station
 * Llanbister
 * Llanboidy
 * Llanbradach
 * Llanbrynmair
 * Llancaiach railway station
 * Llancarfan
 * Llandaff Rowing Club
 * Llandarcy
 * Llanddaniel Fab
 * Llandderfel railway station
 * Llanddewi Court
 * Llanddewi Velfrey
 * Llanddoged and Maenan
 * Llanddona fish weir
 * Llanddulas and Rhyd-y-foel
 * Llanddyfnan
 * Llandegfan
 * Llandegfedd Reservoir
 * Llandegla
 * Llandegley International Airport
 * Llandeilo (electoral ward)
 * Llandeilo Bridge
 * Llandeilo Llwydarth
 * Llandeloy
 * Llandinam
 * Llandinam Bridge
 * Llandingat House
 * Llandogo
 * Llandough Castle
 * Llandough Platform railway station
 * Llandovery Bank
 * Llandovery Castle
 * Llandovery Hospital
 * Llandovery RFC
 * Llandovery Town Hall
 * Llandow
 * Llandow (Wick Road) Halt railway station
 * Llandow (electoral ward)
 * Llandow Halt railway station
 * Llandre
 * Llandrillo, Denbighshire
 * Llandrillo yn Rhos
 * Llandrindod East/West
 * Llandrindod Wells County War Memorial Hospital
 * Llandrindod Wells Deanery
 * Llandrindod Wells Library
 * Llandrindod Wells transmitting station
 * Llandrindod railway station
 * Llandrinio Bridge
 * Llandudno Cable Car
 * Llandudno F.C.
 * Llandudno General Hospital
 * Llandudno Junction railway station
 * Llandudno Ladies F.C.
 * Llandudno Lifeboat Station
 * Llandudno Open
 * Llandudno Town Hall
 * Llandudno and Colwyn Bay Electric Railway
 * Llandudno railway station
 * Llandyfriog transmitting station
 * Llandyrnog
 * Llanedeyrn High School
 * Llanegryn
 * Llanelieu
 * Llanelli (Senedd constituency)
 * Llanelli (UK Parliament constituency)
 * Llanelli Star
 * Llanelli Town Hall
 * Llanelli and Mynydd Mawr Railway
 * Llanelli railway station
 * Llanelli transmitting station
 * Llanelly Bank
 * Llanelly Tramways
 * Llanerch-Ayron Halt railway station
 * Llanerchrugog F.C.
 * Llanerchydol
 * Llanfachraeth
 * Llanfaelog
 * Llanfaes
 * Llanfaethlu
 * Llanfaglan
 * Llanfair-Nant-Gwyn
 * Llanfair Dyffryn Clwyd
 * Llanfair Grange
 * Llanfawr Quarries
 * Llanfechain
 * Llanfechan
 * Llanfechell
 * Llanferres
 * Llanfihangel-ar-Arth
 * Llanfihangel-yng-Ngwynfa
 * Llanfihangel (Powys electoral ward)
 * Llanfihangel Penbedw
 * Llanfihangel Talyllyn
 * Llanfihangel y Creuddyn
 * Llanfoist
 * Llanfynydd
 * Llanfynydd, Flintshire
 * Llanfyrnach
 * Llanfyrnach Rural District
 * Llangadwaladr, Powys
 * Llangaffo
 * Llangattock, Powys
 * Llangattock-Vibon-Avel
 * Llangattock Court
 * Llangedwyn
 * Llangefni Town F.C.
 * Llangefni railway station
 * Llangennech derailment
 * Llangennech railway station
 * Llangenny
 * Llangernyw
 * Llangernyw Yew
 * Llangoed Hall
 * Llangollen Bridge
 * Llangollen Canal Museum
 * Llangollen Community Hospital
 * Llangollen Town Hall
 * Llangrannog
 * Llangurig
 * Llangurig branch
 * Llangurig railway station
 * Llangwm, Conwy
 * Llangwm, Monmouthshire
 * Llangwm, Pembrokeshire
 * Llangwyryfon
 * Llangybi, Monmouthshire
 * Llangyfelach
 * Llangyndeyrn
 * Llangynidr Bridge
 * Llangynog
 * Llangynwyd
 * Llangynwyd Castle
 * Llanharan
 * Llanharan House
 * Llanharan RFC
 * Llanharan railway station
 * Llanhilleth
 * Llanhilleth RFC
 * Llanidan
 * Llanidloes Town Hall
 * Llanidloes War Memorial Hospital
 * Llanidloes transmitting station
 * Llanigon
 * Llanilar railway station
 * Llanishen, Monmouthshire
 * Llanishen Golf Club
 * Llanishen High School
 * Llanllwchaiarn
 * Llanmaes
 * Llanmartin
 * Llanmerewig
 * Llanmihangel Place
 * Llannerch-y-medd
 * Llannerch Hall
 * Llanon
 * Llanpumpsaint railway station
 * Llanpumsaint
 * Llanrhaeadr-ym-Mochnant
 * Llanrhian
 * Llanrhos
 * Llanrhydd
 * Llanrhystyd Road railway station
 * Llanrug
 * Llanrumney Hall
 * Llansaint
 * Llansamlet
 * Llansamlet (electoral ward)
 * Llansamlet railway station
 * Llansannor Court
 * Llansantffraed
 * Llansantffraed, Monmouthshire
 * Llansawel transmitting station
 * Llansilin
 * Llanstadwell
 * Llanstephan, Powys
 * Llanstinan
 * Llantarnam Abbey
 * Llantarnam Grange Arts Centre
 * Llantarnam railway station
 * Llanteg
 * Llanthony
 * Llanthony Priory
 * Llantood
 * Llantrisant Castle
 * Llantrisant Guildhall
 * Llantrisant–Aberthaw line
 * Llantwit Fardre
 * Llantwit Major (electoral ward)
 * Llantwit Major Roman Villa
 * Llantwit Major Town Hall
 * Llantwit Major railway station
 * Llantysilio Hall
 * Llanuwchllyn
 * Llanvaches
 * Llanvair Discoed
 * Llanvapley
 * Llanvihangel Crucorney
 * Llanwddyn (electoral ward)
 * Llanwenarth Baptist Chapel
 * Llanwenarth House
 * Llanwenarth Ultra
 * Llanwenog sheep
 * Llanwern (electoral ward)
 * Llanwnda, Pembrokeshire
 * Llanwrthwl
 * Llanwrtyd Wells transmitting station
 * Llanybri
 * Llanychaer
 * Llanymynech
 * Llanyre
 * Llawhaden
 * Llawhaden Bridge
 * Llawhaden Castle
 * Llay
 * Llech Ronw
 * Llechryd
 * Llechwedd Slate Caverns
 * Llechwedd quarry
 * Llef o'r Nant
 * Lleision ap Thomas
 * Llety'r Dryw
 * Llew Edwards
 * Llew Smith
 * Llewellyn Lloyd
 * Llewellyn baronets
 * Llewelyn, Saskatchewan
 * Llewelyn Lloyd (naturalist)
 * Lleweni Hall
 * Lliedi (electoral ward)
 * Lliswerry
 * Lliswerry A.F.C.
 * Lliw Valley
 * Llowes
 * Lloyd George Museum
 * Lloyd George Society
 * Lloyd Jones (figure skater)
 * Lloyd Street Chapel, Llanelli
 * Lloyd Woolf
 * Lludd Llaw Eraint
 * Lluest-wen Reservoir
 * Lluesty Hospital
 * Llugwy Hall
 * Llwydcoed
 * Llwydcoed (electoral ward)
 * Llwyn-celyn Farmhouse
 * Llwyn-y-gaer House, Tregare
 * Llwyn Bryn-Dinas
 * Llwyncelyn, Ceredigion
 * Llwyneinion
 * Llwyngwern quarry
 * Llwyngwril
 * Llwynypia
 * Llwynypia Hospital
 * Llwynywermod
 * Llygadwy
 * Llyn-y-Foel
 * Llyn Alaw
 * Llyn Bedydd
 * Llyn Bodgylched
 * Llyn Bodgynydd
 * Llyn Cefni
 * Llyn Conwy
 * Llyn Cwellyn
 * Llyn Cwm-y-ffynnon
 * Llyn Dinas
 * Llyn Dulyn
 * Llyn Eigiau
 * Llyn Elsi
 * Llyn Fanod
 * Llyn Geirionydd
 * Llyn Goddionduon
 * Llyn Idwal
 * Llyn Llech Owain
 * Llyn Llywenan
 * Llyn Mair
 * Llyn Melynllyn
 * Llyn Padarn
 * Llyn Peris
 * Llyn y Fan Fawr
 * Llynnau Mymbyr
 * Llynvi and Ogmore Railway
 * Llys Euryn
 * Llys Helig
 * Llys Rhosyr
 * Llys y Fran
 * Llysdinam
 * Llysfaen
 * Llysfaen railway station
 * Llysfasi College
 * Llywelyn Bren
 * Llŷr
 * Llŷr Ifans
 * Local Government (Religious etc. Observances) Act 2015
 * Local Government Association
 * Local Government Commission for Wales
 * Local board of health
 * Locws international
 * Loggerheads Country Park
 * Login, Carmarthenshire
 * London School of Commerce
 * London Welsh School
 * Lone Drøscher Nielsen
 * Lone Star (band)
 * Long Mountain transmitting station
 * Lonza Bowdler
 * Lord Chief Justice of England and Wales
 * Los Angeles St. David's Day Festival
 * Loughor Viaduct
 * Loughor railway station
 * Louie Myfanwy Thomas
 * Louis Barnett Abrahams
 * Louise Elliott
 * Love Jones-Parry (British Army officer)
 * Lower Celliau, Llangattock Lingoed
 * Lower Dyffryn House, Grosmont
 * Lower Hael Wood
 * Lower House Stream Section
 * Lower Penarth railway station
 * Lower Swansea valley
 * Lower Tresenny Barn
 * Lowri Gwilym
 * Lowri Morgan
 * Lucas de la Rua
 * Lucy Walter
 * Luke Jephcott
 * Luke Mariette
 * Luke Thomas (chef)
 * Lydart
 * Lydstep Haven
 * Lydstep Palace
 * Lyn Davies
 * Lyn Harding
 * Lyndon Jones
 * Lyndon Williams
 * Lynn Bowles
 * Lynn Davies
 * Lynn Ungoed-Thomas
 * MOMA, Wales
 * MVM Entertainment
 * Mab Jones
 * Mabon ap Modron
 * Machen
 * Machen House
 * Machen railway station
 * Machynlleth Festival
 * Machynlleth railway station
 * Machynlleth transmitting station
 * Machynys
 * Machynys Ponds
 * Mackenzie Martin
 * Madog Crypl
 * Madog ap Gruffydd Maelor
 * Madog ap Maredudd
 * Madoline Thomas
 * Madron (saint)
 * Maelgwn ap Rhys
 * Maelgwn ap Rhys (rebel)
 * Maelienydd
 * Maelor
 * Maelor Gawr
 * Maelor Way
 * Maen Achwyfan Cross
 * Maenan
 * Maenclochog
 * Maenclochog (electoral ward)
 * Maenofferen quarry
 * Maentwrog
 * Maerdy
 * Maerdy Farmhouse, Llanvihangel-Ystern-Llewern
 * Maerdy railway station
 * Maes (eisteddfod)
 * Maes Manor
 * Maesgeirchen
 * Maesglas
 * Maesglase
 * Maeshafn
 * Maeshyfryd, Anglesey
 * Maesmawr Hall
 * Maesteg (Ewenny Road) railway station
 * Maesteg Community Hospital
 * Maesteg House
 * Maesteg Town Hall
 * Maesteg railway station
 * Maesycwmmer
 * Maesycwmmer railway station
 * Magenta (Welsh band)
 * Maggie Jones, Baroness Jones of Whitchurch
 * Magi Dodd
 * Magor, Monmouthshire
 * Magor Marsh
 * Magor and St Mellons Rural District
 * Mags Harries and Lajos Héder
 * Mahmood Hussein Mattan
 * Maiden Wells
 * Maindiff Court Hospital
 * Maindy Barracks
 * Maindy Centre
 * Mair Garside
 * Malator
 * Malcolm Bishop
 * Malcolm Nash
 * Malcolm Uphill
 * Malcolm Vaughan
 * Malltraeth
 * Mallwyd
 * Malpas, Newport
 * Manaw Gododdin
 * Manawydan
 * Manawydan fab Llŷr
 * Manon Steffan Ros
 * Manor Farmhouse, Crick
 * Manor Farmhouse and Manor Cottage, Portskewett
 * Manorbier
 * Manorbier Castle
 * Manorbier Newton
 * Manordeifi
 * Manordeifi Old Church
 * Manorhaus, Ruthin
 * Manorowen
 * Mansion House, Cardiff
 * Mansion House, Newport
 * Manufacturing Engineering Centre
 * Marc Phillips
 * Marc Rhys
 * Marc Treanor
 * Marcher Radio Group
 * Marchwiel
 * Marcross
 * Mared Williams
 * Maredudd ab Ieuan ap Robert
 * Maredudd ab Owain
 * Maredudd ap Rhys Gryg
 * Maredudd ap Tudur
 * Marford
 * Margam Abbey
 * Margam Knuckle Yard
 * Margaret Davies
 * Margaret Davies (writer)
 * Margaret Gordon (singer)
 * Margaret Grey
 * Margaret Hanmer
 * Margaret John
 * Margaret Jones (writer)
 * Margaret Lloyd (Moravian)
 * Margaret Phillips (actress)
 * Margaret Pritchard
 * Margaret Townsend Jenkins
 * Marguerite Florence Laura Jarvis
 * Mari Griffith
 * Mari Strachan
 * Maria Riddell
 * Mariamne Johnes
 * Marie Novello
 * Marine Character Area
 * Marine and Fisheries Division (Wales)
 * Marion Eames
 * Marion Evans
 * Mark Davies (cricketer, born 1969)
 * Mark Mouland
 * Mark O'Leary (cricket coach)
 * Mark Pilkington (golfer)
 * Mark Sampson
 * Mark Serwotka
 * Mark Tami
 * Mark Williams (politician)
 * Market Arcade, Newport
 * Markham, Caerphilly
 * Marl (Conwy electoral ward)
 * Marloes
 * Marloes Sands
 * Marmaduke Middleton
 * Marquess of Anglesey
 * Marriage (Wales) Act 2010
 * Marros Sands
 * Marshes Turnpike Gate railway station
 * Marshfield, Newport
 * Marshfield railway station
 * Marteine Lloyd
 * Martha Llwyd
 * Martin Caton
 * Martin Moore-Bick
 * Martin Rossiter
 * Martletwy
 * Martyn Williams
 * Marvin Thompson
 * Marwnad yr Ehedydd
 * Mary Anne Edmunds
 * Mary Balogh
 * Mary Davies (lawn bowler)
 * Mary Dendy
 * Mary Drelincourt
 * Mary Edith Nepean
 * Mary Glynne
 * Mary Jane Evans
 * Mary Jane Innes
 * Mary Jestyn Jeffreys
 * Mary Lloyd (sculptor)
 * Mary Lloyd Jones
 * Mary Myfanwy Wood
 * Mary Oliver Jones
 * Mary Penry
 * Mason Jones (fighter)
 * Mason Ryan
 * Mass spectrometry at Swansea
 * Massey Sisters
 * Math fab Mathonwy
 * Mathafarn
 * Mathern
 * Mathern Mill
 * Mathew Owens
 * Mathias Maurice
 * Mathias baronets
 * Matholwch
 * Mathry
 * Mathry Road Halt railway station
 * Matt Jukes
 * Matt Ryan (actor)
 * Matt Whatley (footballer)
 * Matthew Maynard
 * Matthew Rees (footballer)
 * Matthew Smith (footballer, born 1999)
 * Matthew W. Davies
 * Matthew Watkins
 * Maurice Clenock
 * Maurice FitzGerald, Lord of Llanstephan
 * Maurice Jones (priest)
 * Maurice O'Sullivan (boxer)
 * Maurice Parry
 * Mawddwy
 * Mawddwy Railway
 * Mawgan
 * Mayals
 * Mayor of Newport
 * Mayor of Wrexham
 * McNally v R
 * Media Wales
 * Medwyn Williams
 * Meees
 * Megan Davies (rugby union)
 * Megan Watts Hughes
 * Megan Webb
 * Megan York
 * Mei Jones
 * Meifod
 * Meinir Ffransis
 * Meirion Mill Railway
 * Meirionethshire Constabulary
 * Mel Nott
 * Mel Rees
 * Melbourne Welsh Church
 * Melin Adda
 * Melin Hywel
 * Melincourt Falls
 * Meline, Pembrokeshire
 * Melingriffith Brass Band
 * Melissa Fletcher
 * Melville Richards
 * Members of the 6th Senedd
 * Men of Harlech
 * Menai Bridge Tigers F.C.
 * Menai Bridge railway station
 * Menai Heritage Bridges Exhibition
 * Menefrida
 * Menna Fitzpatrick
 * Menna Gallie
 * Mental Capacity Act 2005
 * Merched y Wawr
 * Meredith (given name)
 * Merionethshire County Council
 * Merionethshire Railway
 * Merlin's Bridge
 * Mersley Park
 * Mert and Marcus
 * Merthyr Dyfan
 * Merthyr Mawr
 * Merthyr Mawr Sand Dunes
 * Merthyr Pioneer
 * Merthyr RFC
 * Merthyr Synagogue
 * Merthyr Tydfil Law Courts
 * Merthyr Tydfil Town Hall
 * Merthyr Tydfil railway station
 * Merthyr Vale railway station
 * Mervyn Bennett
 * Mervyn Davies, Baron Davies of Abersoch
 * Mervyn Roberts
 * Meurig Dafydd
 * Mewan
 * Mia Arnesby Brown
 * Michael Baer
 * Michael Bogdanov
 * Michael Crowe (footballer)
 * Michael D. Jones
 * Michael Harmer
 * Michael Johnston (Welsh footballer)
 * Michael Locke (stuntman)
 * Michael Tooby
 * Michael Wynn-Jones
 * Michaelston-y-Fedw
 * Michelle Brown
 * Mick Antoniw
 * Mid-Rhondda RLFC
 * Mid District Cup
 * Mid Wales Corporate Joint Committee
 * Mid and West Wales Fire and Rescue Service
 * Middle Mill
 * Middle Mouse
 * Middleholm
 * Middleton family
 * Mike Dowler
 * Mike Fantastic
 * Mike Hedges (politician)
 * Mike Jones (painter)
 * Mike Pearson (footballer)
 * Mildred Riddelsdell
 * Miles Thomas
 * Milford Central
 * Milford Hakin
 * Milford Haven Group
 * Milford Haven Museum
 * Milford Haven School
 * Milford Haven Town Hall
 * Milford West
 * Milford and Pembrokeshire Bank
 * Millbrook, Llanvihangel Crucorney
 * Millennium Coastal Park
 * Millennium Stadium Charitable Trust
 * Mind (charity)
 * Minera
 * Minera Lead Mines
 * Minffordd Hospital
 * Minister for North Wales
 * Minister for Rural Affairs (Wales)
 * Minister for the Economy (Wales)
 * Minwear
 * Minwear Wood
 * Miranda Aldhouse-Green
 * Miskin
 * Miskin Manor
 * Miskin Manor Cricket Club Ground
 * Mission Gallery
 * Mitch Clark (footballer, born 1999)
 * Mitchel Troy
 * Moat Lane Junction railway station
 * Moc Morgan
 * Mochdre, Conwy
 * Mochdre & Pabo railway station
 * Mochnant
 * Modron
 * Moel-y-Parc transmitting station
 * Moel Arthur
 * Moel Eilio
 * Moel Famau
 * Moel Maelogan
 * Moel Oernant
 * Moel Penderyn
 * Moel Ysgyfarnogod
 * Moel y Gaer, Bodfari
 * Moel y Gaer, Llanbedr
 * Moel y Gaer, Llantysilio
 * Moel y Gaer, Rhosesmor
 * Moel y Garnedd
 * Moel y Gest
 * Moel y Gydros
 * Moelfre, Anglesey
 * Mold Alexandra F.C.
 * Mold Castle
 * Mold Community Hospital
 * Mold Law Courts
 * Mold Town Hall
 * Mold and Denbigh Junction Railway
 * Molly Kelly (rugby union)
 * Molly Parkin
 * Momodou Touray
 * Monington, Pembrokeshire
 * Monk Street, Monmouth
 * Monkton, Pembroke
 * Monmouth Baptist Church
 * Monmouth Cap
 * Monmouth Castle
 * Monmouth Cemetery
 * Monmouth County Gaol
 * Monmouth Methodist Church
 * Monmouth Museum
 * Monmouth Police Station
 * Monmouth Poor Law Union
 * Monmouth Troy railway station
 * Monmouth Women's Festival
 * Monmouth in the Mesolithic period
 * Monmouth town walls and defences
 * Monmouthpedia
 * Monmouthshire (UK Parliament constituency)
 * Monmouthshire Food Festival
 * Monmouthshire Libraries
 * Monnow Mill
 * Monnow Street
 * Monnow Vale Integrated Health and Social Care Facility
 * Montgomery County Infirmary
 * Montgomery Town Hall
 * Montgomery railway station
 * Monument to Sir Briggs
 * Morfa, Bridgend
 * Morfa Bychan
 * Morfa Conwy
 * Morfa Dyffryn
 * Morfa Nefyn
 * Morgan (surname)
 * Morgan B. Williams
 * Morgan Edwards
 * Morgan Gam
 * Morgan Hector Phillips
 * Morgan John Rhys
 * Morgan Morgans (engineer)
 * Morgan Morse
 * Morgan Owen
 * Morgan ab Athrwys
 * Morgan ab Owain
 * Morgan ap Hywel
 * Morgans Hotel, Swansea
 * Morganstown
 * Moriah Aman Chapel
 * Moridunum (Carmarthen)
 * Morlais Castle
 * Morris Castle
 * Morris Davies
 * Morris Williams
 * Morrys Scott
 * Morus Elfryn
 * Morvil
 * Morwyn Brebner
 * Moss Valley, Wrexham
 * Moss Valley Branch
 * Mostyn
 * Mostyn (Llandudno electoral ward)
 * Mostyn (gallery)
 * Mostyn Colliery
 * Mostyn Hall
 * Mount Pleasant, Swansea
 * Mount Pleasant Hospital
 * Mountain (TV series)
 * Mountain Ash (electoral ward)
 * Mountain Ash East
 * Mountain Ash East (electoral ward)
 * Mountain Ash General Hospital
 * Mountain Ash RFC
 * Mountain Ash Town Hall
 * Mountain Ash railway station
 * Mountain rescue in England and Wales
 * Moylgrove
 * Mudiad Amddiffyn Cymru
 * Mumbles Battery
 * Mumbles Lighthouse
 * Mumbles Pier
 * Municipal Corporations Act 1835
 * Municipal Offices, Blaenavon
 * Murder of Muriel Drinkwater
 * MusicFest Aberystwyth
 * Mydan
 * Myddelton family
 * Myddfai
 * Myfanwy
 * Myfanwy Haycock
 * Myfanwy Howell
 * Myfanwy Pryce
 * Mynachlog-ddu
 * Mynydd-y-Gaer
 * Mynydd-y-Garreg
 * Mynydd-y-glog
 * Mynydd Allt-y-grug
 * Mynydd Bach
 * Mynydd Bedwellte
 * Mynydd Bodafon
 * Mynydd Carn-y-cefn
 * Mynydd Carningli
 * Mynydd Cilfach-yr-encil
 * Mynydd Dolgoed
 * Mynydd Emroch television relay station
 * Mynydd Fforest
 * Mynydd Graig Goch
 * Mynydd Hendre-ddu
 * Mynydd Illtud
 * Mynydd Llangorse
 * Mynydd Llangyndeyrn
 * Mynydd Llwyn-gwern
 * Mynydd Mallaen
 * Mynydd Merthyr
 * Mynydd Nodol
 * Mynydd Pencarreg transmitting station
 * Mynydd Tir y Cwmwd
 * Mynydd Troed
 * Mynydd y Betws
 * Mynydd y Dref
 * Mynydd y Gwair
 * Mynyddbach Chapel
 * Mynyddislwyn
 * Mynytho
 * Myrddin Fardd
 * Myrddin Wyllt
 * Myriel Davies
 * Myrtle House
 * Môn FM
 * NCFE (charity)
 * NHS Pension Scheme
 * NHS Protect
 * NLW MS 20143A
 * NLW MS 24029A (Boston Manuscript)
 * Nancy Lee (writer)
 * Nancy Wright
 * Nannerch
 * Nansi Richards
 * Nansi Williams
 * Nant Ffrwdwyllt
 * Nant Glais Caves
 * Nant Gwrtheyrn
 * Nant Gwys
 * Nant Llech
 * Nant Menasgin
 * Nantclwyd y Dre
 * Nantcribba
 * Nanteos Mansion
 * Nantgarw
 * Nantgarw (High Level) Halt railway station
 * Nantgarw (Low Level) Halt railway station
 * Nantgarw China Works
 * Nantglyn
 * Nantlle Ridge
 * Nantlle railway station
 * Nantmel Landfill Site
 * Nantmor
 * Nantmor railway station
 * Nantybanw, Llantrisant
 * Nantybwch railway station
 * Nantycaws
 * Nantyglo
 * Nantyglo Round Towers
 * Nantyglo railway station
 * Narberth (electoral ward)
 * Narberth Castle
 * Narberth Hundred
 * Narberth Rural District
 * Narberth Town Hall
 * Narrow Gauge Railway Museum
 * Narrow Vein Mudstone Formation
 * Nash, Newport
 * Nash Manor
 * Nash Point
 * Natalia John
 * Natasha Cockram
 * Nathan Blake
 * Nathan Foy
 * Nathan Gage
 * Nathan Gill
 * Nathan Rocyn-Jones
 * Nathan Stephens
 * Nathan Wigg
 * Nathanael Jones
 * Nathaniel Wells
 * National Assembly for Wales (Remuneration) Measure 2010
 * National Botanic Garden of Wales
 * National Counties of English and Welsh cricket
 * National Dance Company Wales
 * National Farmers' Union of England and Wales
 * National Health Service (Wales) Act 2006
 * National Institutions (Wales) Bill
 * National Land and Property Gazetteer
 * National Library of Wales General Manuscript Collection
 * National Probation Service
 * National Society for Promoting Religious Education
 * National Union of Students Wales
 * National Welsh Omnibus Services
 * Nationally significant infrastructure project
 * Neath Abbey television relay station
 * Neath Castle
 * Neath Corporation Tramways
 * Neath East
 * Neath Guardian
 * Neath North
 * Neath Port Talbot College
 * Neath Town Hall
 * Neath railway station
 * Nebo Chapel, Hirwaun
 * Ned Jenkins
 * Nedd Fechan
 * Neil Haddock
 * Neil Rees (bowls)
 * Neil Salathiel
 * Neil Taylor (footballer)
 * Nellie Evans Packard
 * Nelson, Caerphilly
 * Neptune (1836 ship)
 * Nerys Johnson
 * Nest Bloet
 * Nesta Wyn Ellis
 * Netball in Wales
 * Neuadd Dwyfor
 * Neuadd Maldwyn
 * Nevern
 * Neville Meade
 * New Brighton, Wrexham
 * New House Farm, Llangybi
 * New Inn, Carmarthenshire
 * New Moat
 * New Radnor
 * New Siloh Congregational Chapel
 * New South Wales Act 1823
 * New Theatre, Cardiff
 * New Welsh Review
 * Newborough F.C.
 * Newborough Warren
 * Newbridge, Wrexham
 * Newbridge-on-Wye
 * Newbridge Lodge
 * Newbridge RFC
 * Newbridge boxing club
 * Newbridge on Wye railway station
 * Newbridge railway station (Wales)
 * Newcastle, Bridgend
 * Newcastle Castle, Bridgend
 * Newcastle Emlyn RFC
 * Newcastle Emlyn railway station
 * Newgale, Pembrokeshire
 * Newhouse Farmhouse, Llanvetherine
 * Newport, Pembrokeshire
 * Newport Bay (Wales)
 * Newport Castle, Pembrokeshire
 * Newport Centre (Wales)
 * Newport City Radio
 * Newport City footbridge
 * Newport Courtybella railway station
 * Newport Crown Court
 * Newport Deanery
 * Newport Film School
 * Newport Half Marathon
 * Newport High School (Wales)
 * Newport Mill Street railway station
 * Newport Racecourse
 * Newport Stadium
 * Newport Titans
 * Newport Town Bridge
 * Newport West (UK Parliament constituency)
 * Newport Wetlands
 * Newport city centre
 * Newport rail accident
 * Newton, Swansea
 * Newton Court
 * Newton House (Brecon, Powys)
 * Newtown A.F.C.
 * Newtown Central
 * Newtown West (Powys electoral ward)
 * Newtown and Llanllwchaiarn
 * Newtown railway station (Wales)
 * Next Senedd election
 * Next United Kingdom general election in Wales
 * Next friend
 * Neyland railway station
 * Nia Griffith
 * Nia Medi
 * Niall Huggins
 * Niamh Terry
 * Nic Strange
 * Nichola and Sarah Hope
 * Nicholas Bagenal (Welsh MP)
 * Nicholas Clagett
 * Nicholas Evans (artist)
 * Nicholas Jones (journalist)
 * Nicholas Kemeys
 * Nicholas Owen (priest)
 * Nicholas Robinson (bishop)
 * Nick Fletcher (film editor)
 * Nick Smith (British politician)
 * Nick Thomas-Symonds
 * Nicky Adams
 * Nicky Arscott
 * Nicky Piper
 * Nicky Stevens
 * Nigel Jenkins
 * Nikita Lalwani
 * Nina Shipperlee
 * Ninian Park railway station
 * Noah Ablett
 * Noddfa Chapel, Ynysybwl
 * Noel Forbes Humphreys
 * Noel Lloyd
 * Noel Trigg
 * Nofit State Circus
 * Nolton Haven
 * Nolton and Roch
 * North Gwent Deanery
 * North Gwent Football League
 * North Wales Alliance League
 * North Wales Championships
 * North Wales Conference
 * North Wales Corporate Joint Committee
 * North Wales Crusaders statistics and records
 * North Wales Fire and Rescue Service
 * North Wales Main Line
 * North Wales Metro
 * North Wales Mineral Railway
 * North Wales Path
 * North Wales Society of Architects
 * North Wales Wildlife Trust
 * North West Men's League
 * North and Mid Wales Trunk Road Agent
 * Northop
 * North–South Wales railway
 * Norton Court, Skenfrith
 * Norwegian Church, Swansea
 * Nos. 33, 35 & 37 Clwyd Street, Ruthin
 * Nos Galan road race
 * Nottage
 * Nottage General Baptist & Unitarian Church
 * Nottage Halt railway station
 * Noyale
 * Ntazana Mayembe
 * Nyree Kindred
 * Nyth-y-Gigfran quarry
 * O Na! Y Morgans!
 * O Spiritual Pilgrim
 * Oakdale Workmen's Institute
 * Oakeley Arms Hotel
 * Oakleigh House School
 * Odo Vivian, 3rd Baron Swansea
 * Offa, Wrexham
 * Ogmore Vale
 * Ogmore centre
 * Ogof Agen Allwedd
 * Ogof Hen Ffynhonnau
 * Ogof Hesp Alyn
 * Ogwen Cottage
 * Ogwen Rural District
 * Old Bridge, Bridgend
 * Old Colwyn railway station
 * Old Court, Llangattock Lingoed
 * Old Cwmbrân
 * Old Market Hall, Blaenau Ffestiniog
 * Old Nag's Head, Monmouth
 * Old St Mellons
 * Old Swan, Rhayader
 * Old Swansea Central Library
 * Old Town Hall, Llandrindod Wells
 * Old Town Hall, Usk
 * Old Trecastle Farmhouse, Pen-y-clawdd
 * Old Wye Bridge, Chepstow
 * Oldcastle, Bridgend
 * Olde Malsters, Usk
 * Oli Cooper
 * Oliver Harris (trade unionist)
 * Oliver James (cricketer)
 * Olwen Carey Evans
 * Olwen Williams
 * Omid Scobie
 * One Day Like This (album)
 * One Voice (Aled Jones album)
 * One Voice at Christmas
 * Onllwyn Brace
 * Only Men Aloud!
 * Only Two Can Play
 * Opera School Wales
 * Operation Crucible
 * Opinion polling for the 2021 Senedd election
 * Orbis Education and Care
 * Ordinary Lies
 * Ordovices
 * Orielton, Pembrokeshire
 * Orson Pratt Huish
 * Otley Brewing Company
 * Oudoceus
 * Our Lady Queen of Peace Church, Llanelli
 * Our Lady of Ransom and the Holy Souls Church, Llandrindod Wells
 * Our Lady of Seven Sorrows Church, Dolgellau
 * Overton Arcade
 * Owain Brogyntyn
 * Owain Cyfeiliog
 * Owain Danwyn
 * Owain Doull
 * Owain Fychan
 * Owain Glyndwr Hotel
 * Owain Hopkins
 * Owain ap Hywel (Glywysing)
 * Owain ap Hywel Dda
 * Owen Edwards (broadcaster)
 * Owen Edwards (figure skater)
 * Owen Gethin Jones
 * Owen Glynne Jones
 * Owen Harris
 * Owen Hurcum
 * Owen John
 * Owen Jones (antiquary)
 * Owen Lewis (bishop)
 * Owen Morgan
 * Owen Owen (school inspector)
 * Owen Picton Davies
 * Owen Price (writer)
 * Owen Prys
 * Owen Teale
 * Owen Thomas (politician)
 * Owen Williams (Owen Gwyrfai)
 * Owen Wynne (civil servant)
 * Owen ap Hugh
 * Owen baronets
 * Owen de la Pole
 * Oxford History of Wales
 * Oxwich
 * Oxwich Bay
 * Oystermouth Cemetery
 * PS Nimrod
 * PS Pen Cw (1912)
 * Pablo Martinez (Welsh footballer)
 * Padarn Bus
 * Padarn Halt railway station
 * Padarn Railway
 * Paddy Buckley Round
 * Paddy Hennessey
 * Painscastle Castle
 * Pair Dadeni
 * Palaeontology in Wales
 * Palladium, Llandudno
 * Pam Ferris
 * Pandy, Ceiriog Valley
 * Pandy, Monmouthshire
 * Pant-glas Farmhouse, Llanishen, Monmouthshire
 * Pant-y-Saer Burial Chamber
 * Pant railway station (Brecon Mountain Railway)
 * Pant railway station (Brecon and Merthyr Tydfil Junction Railway)
 * Pantdreiniog quarry
 * Panteg A.F.C.
 * Panteg and Griffithstown railway station
 * Panteg cemetery
 * Pantperthog
 * Pantyffynnon railway station
 * Pantysgawn
 * ParcAberporth
 * Parc Hospital
 * Parc and Dare Hall
 * Park Congregational Chapel, Llanelli
 * Park House, Cardiff
 * Parks and open spaces in Wrexham
 * Parliamentary Under-Secretary of State for Wales
 * Partnership Council for Wales
 * Parys Mountain Windmill
 * Pascale Petit (poet)
 * Pat Leach
 * Pat Roberts (golfer)
 * Pat Thomas (boxer)
 * Paterchurch Tower
 * Patience Agbabi
 * Patrick Jones (poet)
 * Patti Pavilion
 * Paul Amos
 * Paul Brand (journalist)
 * Paul Davies (footballer, born 1952)
 * Paul Giles
 * Paul Griffiths (director)
 * Paul Panton
 * Paul Shackerley
 * Paul Silk
 * Paul Whitfield
 * Paula Craig
 * Paxton's Tower
 * Peacocks (clothing)
 * Peblig, Caernarfon
 * Peckett OQ Class
 * Peers Memorial, Ruthin
 * Peibio Clafrog
 * Pele Tower, Angle
 * Pembroke Coast Express
 * Pembroke Deanery
 * Pembroke Dock Market
 * Pembroke Dock railway station
 * Pembroke Monkton and St Mary South
 * Pembroke Refinery
 * Pembroke River
 * Pembroke Rural District
 * Pembroke St Mary North
 * Pembroke St Mary South
 * Pembroke St Michael
 * Pembroke Town Hall
 * Pembroke town walls
 * Pembrokeshire Action To Combat Hardship
 * Pembrokeshire Bank
 * Pembrokeshire Coast Path
 * Pembrokeshire Record Office
 * Pen-y-Clawdd Court
 * Pen-y-Fal Hospital
 * Pen-y-Lan Hall
 * Pen-y-Mount Junction railway station
 * Pen-y-cae, Wrexham
 * Pen-y-clawdd
 * Pen-y-clawdd Farmhouse, Raglan
 * Pen-y-crug
 * Pen-y-garn, Ceredigion
 * Pen-y-groes (electoral ward)
 * Pen-yr-Orsedd quarry
 * Pen Dinas
 * Pen Llystyn
 * Pen Ty-Nant
 * Pen y Bryn
 * Pen y Clawdd Castle
 * Pen y Cymoedd
 * Pen y Gaer
 * Pen yr Ole Wen
 * Penallt
 * Penallt Old Church
 * Penallta Colliery
 * Penally
 * Penally Abbey
 * Penar branch line
 * Penarth (Newtown and Llanllwchaiarn)
 * Penarth Dock railway station
 * Penarth Fawr
 * Penarth Lifeboat Station
 * Penarth Town Council
 * Penarth railway station
 * Penbanc
 * Penboyr
 * Penbryn
 * Pencader Tunnel
 * Pencaer
 * Pencarreg Halt railway station
 * Penclawdd RFC
 * Pencoed RFC
 * Penderyn distillery
 * Penderyn transmitting station
 * Pendine
 * Pendraig
 * Penffordd, Pembrokeshire
 * Penfro (cantref)
 * Pengam
 * Pengwern
 * Penhow
 * Penhow Castle
 * Penhow Woodlands National Nature Reserve
 * Peniarth 109
 * Peniarth 20
 * Peniarth Manuscripts
 * Penley
 * Penley Community Hospital
 * Penlle'r Castell
 * Penllergaer
 * Penllergare
 * Penllyn railway station (Wales)
 * Penmachno
 * Penmachno quarry
 * Penmaen, Caerphilly
 * Penmaenmawr & Welsh Granite Co.
 * Penmaenmawr Phoenix F.C.
 * Penmaenmawr railway station
 * Penmoelallt
 * Penmynydd
 * Pennard
 * Penoyre House
 * Penpergwm railway station
 * Penperlleni
 * Penrhiw-ceibr
 * Penrhiwceiber
 * Penrhos Feilw Standing Stones
 * Penrhyn-coch
 * Penrhyn Bay
 * Penrhyn Castle Railway Museum
 * Penrhyn Quarry Railway
 * Penrhys
 * Penrice Castle
 * Penrydd
 * Penstrowed
 * Penterry
 * Pentlepoir
 * Pentraeth
 * Pentre
 * Pentre Berw
 * Pentre Broughton
 * Pentre Bychan
 * Pentre Camp
 * Pentre Galar
 * Pentre Halkyn
 * Pentre Ifan
 * Pentre Maelor
 * Pentrebach
 * Pentrecourt Platform railway station
 * Pentrecwrt
 * Pentrefoelas
 * Pentremawr Colliery
 * Pentrepiod Halt railway station (Monmouthshire)
 * Pentwyn, Cardiff
 * Pentwyn, Llanllowell
 * Pentwyn, Rockfield
 * Pentwyn Farm Grasslands
 * Pentyrch
 * Penuel Baptist Chapel, Carmarthen
 * Penwyllt
 * Penyberth
 * Penybont F.C.
 * Penychain railway station
 * Penycloddiau
 * Penyffordd
 * Penyffordd railway station
 * Penygraig
 * Penygraig RFC
 * Penygroes, Gwynedd
 * Penygroes, Pembrokeshire
 * Penylan
 * Penywaun
 * People's Trust for Endangered Species
 * Percy Bush
 * Percy Hughes (footballer)
 * Percy Thomas
 * Peredur Lynch
 * Personal Ordinariate of Our Lady of Walsingham
 * Persondy, Mamhilad
 * Perth-hir House
 * Perthi-Duon Burial Chamber
 * Pete's Eats Cafe
 * Pete Fowler
 * Pete Ham
 * Peter Anthony Freeman
 * Peter Bailey Williams
 * Peter Bartrum
 * Peter Black (Welsh politician)
 * Peter Dawson (trade unionist)
 * Peter Finch (poet)
 * Peter George (author)
 * Peter Greenaway
 * Peter Havard-Williams
 * Peter Howells (economist)
 * Peter Jones (surgeon)
 * Peter Lord (art historian)
 * Peter Moore (serial killer)
 * Peter Rees Jones
 * Peter Roberts (priest)
 * Peter Rogers (politician)
 * Peter Vaughan (police officer)
 * Peter Wingfield
 * Peter de Leia
 * Peterston-super-Ely (electoral ward)
 * Peterston railway station
 * Peulan
 * Phil Bennett
 * Phil Edwards (boxer)
 * Phil Prosser
 * Phil Tanner
 * Philip Bisse
 * Philip Ellis (priest)
 * Philip George (cricketer)
 * Philip Jones (civil servant)
 * Philip Naylor-Leyland
 * Philip Pugh
 * Philip Squire
 * Philip Yorke (antiquary)
 * Phillida Nicholson
 * Phineas John
 * Phoebe Richards
 * Phyllis Maud Performance Space
 * Physicians of Myddfai
 * Pierce Memorial Garden
 * Pill Fort
 * Pill Harriers RFC
 * Pillar of Eliseg
 * Pilleth
 * Pipton
 * Pistyll Cain
 * Pitt's Head
 * Planed Plant
 * Planning Aid Wales
 * Plantasia
 * Plas-y-Nant railway station
 * Plas Bennett
 * Plas Bodegroes
 * Plas Bodewryd
 * Plas Brondanw
 * Plas Cadnant
 * Plas Coch
 * Plas Coch, Ruthin
 * Plas Machynlleth
 * Plas Madoc F.C.
 * Plas Menai
 * Plas Mynach
 * Plas Newydd, Llangollen
 * Plas Taliaris
 * Plas Teg
 * Plasau Duon
 * Plasmarl
 * Plasnewydd
 * Plaza cinema, Port Talbot
 * Plymouth, Merthyr Tydfil
 * Plynlimon
 * Plynlimon and Hafan Tramway
 * Pocket Venus
 * Point FM
 * Point Lynas Lighthouse
 * Point of Ayr
 * Police Central e-Crime Unit
 * Police Superintendents' Association
 * Polo Grounds, New Inn
 * Poly-Olbion
 * Ponciau
 * Pont-ar-Gothi
 * Pont Aberglaslyn
 * Pont Abraham Services
 * Pont Briwet
 * Pont Croesor railway station
 * Pont Cych
 * Pont Cysyllte
 * Pont Llanio railway station
 * Pont Minllyn
 * Pontamman
 * Pontardawe
 * Pontardawe Arts Centre
 * Pontardawe television relay station
 * Pontarddulais Male Choir
 * Pontarddulais railway station
 * Pontfadog Oak
 * Pontfaen
 * Ponthir railway station
 * Pontllanfraith
 * Pontneddfechan
 * Pontnewydd
 * Pontnewynydd
 * Pontnewynydd railway station
 * Pontprennau
 * Pontprennau and Old St Mellons
 * Pontrhydyfen
 * Pontrhydyrun Halt railway station
 * Pontsionnorton
 * Pontsticill Reservoir
 * Pontsticill railway station
 * Pontyates
 * Pontyglasier
 * Pontygwaith, Rhondda Cynon Taf
 * Pontymister
 * Pontypool Park
 * Pontypool Town Hall
 * Pontypridd Cottage Hospital
 * Pontypridd Graig railway station
 * Pontypridd RLFC
 * Pontypridd Tram Road railway station
 * Pontypridd and Rhondda Valley Tramway
 * Pontypridd railway accident
 * Pontypridd railway station
 * Pool Quay
 * Port Dinorwic railway station
 * Port Eynon
 * Port Talbot (electoral ward)
 * Port Talbot Town F.C.
 * Port Talbot War Memorial
 * Port of Holyhead
 * Port of Port Talbot
 * Porth-y-carn, Usk
 * Porth Dafarch
 * Porth yr Aur
 * Porthcawl railway station
 * Porthclais
 * Porthdinllaen
 * Porthdinllaen Lifeboat Station
 * Porthgain
 * Porthgain Railway
 * Porthkerry
 * Porthmadog F.C.
 * Porthmadog Harbour railway station
 * Porthmadog railway station (Welsh Highland Heritage Railway)
 * Portmeirion Town Hall
 * Portobello House
 * Portrait of the Artist as a Young Dog
 * Portskewett Pier railway station
 * Portskewett railway station
 * Postgraduate Certificate in Education
 * Pot Hole quarry
 * Powis Almshouses
 * Powyseg
 * Poyser Street drill hall, Wrexham
 * Preiddeu Annwfn
 * Premiership Rugby Sevens Series
 * Prendergast, Pembrokeshire
 * Presaddfed Burial Chamber
 * Presbyterian Church of India
 * Preseli transmitting station
 * Prestatyn
 * Prestatyn Castle
 * Prestatyn North
 * Prestatyn Town F.C.
 * Prestatyn railway station
 * Preston Austin
 * Prevenge
 * Price (surname)
 * Prince Llewellyn quarry
 * Prince Philip Hospital
 * Prince William Cup
 * Prince of Wales Theatre, Cardiff
 * Princess Augusta of Saxe-Gotha
 * Priodas Pum Mil
 * Priory (Abergavenny ward)
 * Prison Commission (England and Wales)
 * Prisoner and Escort
 * Privies of Wales
 * Pro14 Rainbow Cup
 * Prophwyd y Jubili
 * Proposed Welsh independence referendum
 * Prosiect Z
 * Prosser (surname)
 * Pryce Pryce-Jones
 * Pryderi
 * Public Access Legal Support
 * Public Access Scheme
 * Public Audit (Wales) Act 2004
 * Public Policy Institute for Wales
 * Puffin Island (Anglesey)
 * Pumsaint
 * Punch House, Monmouth
 * Puncheston
 * Purple Plaques
 * Pwll, Tregare
 * Pwll y wrach
 * Pwllglas
 * Pwllgwaelod
 * Pwllgwaun
 * Pwllheli Corporation Tramways
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 * Radio Bronglais
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 * Radnorshire Arms
 * Radyr Golf Club
 * Radyr Hydro Scheme
 * Raglan Barracks, Newport
 * Raglan Hundred
 * Raglan Library
 * Raglan Road Crossing Halt railway station
 * Raglan railway station
 * Railway with a Heart of Gold
 * Ralph Churton
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 * Ramoth Chapel
 * Rape Crisis England & Wales
 * Rassa Railroad
 * Ratgoed Tramway
 * Ratgoed quarry
 * Ray Daniel (Welsh footballer)
 * Ray Lambert
 * Rayner Memorial Clock Tower
 * Rebecca De Filippo
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 * Rebecca Llewellyn
 * Recreation Ground, Llansantffraid-ym-Mechain
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 * Red Book of Hergest
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 * Red Wharf Bay branch line
 * Redbrook Incline Bridge
 * Redrow plc
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 * Redwood Building
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 * Rees Davies
 * Reg Parker (footballer)
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 * Representative Body of the Church in Wales
 * Requiem (TV series)
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 * Rest Bay (electoral ward)
 * Reynalton
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 * Rhian Cleverly
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 * Rhiwbach Tramway
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 * Rhondda East (UK Parliament constituency)
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 * Rhosllanerchrugog F.C. (1889)
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 * Rhyl Deanery
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 * Rhyl Lifeboat Station
 * Rhyl Miniature Railway
 * Rhyl Town Hall
 * Rhyl West
 * Rhyl railway station
 * Rhymney
 * Rhymney Bridge railway station
 * Rhymney Valley Ridgeway Walk
 * Rhymney railway station
 * Rhys Davies (golfer)
 * Rhys Edwards
 * Rhys Gabe
 * Rhys Gruffydd
 * Rhys Ifans
 * Rhys Jones (archaeologist)
 * Rhys Morgan (rugby union)
 * Rhys Norrington-Davies
 * Rhys Priestland
 * Rhys Taylor
 * Rhys Williams (Welsh actor)
 * Rhys Williams (hurdler)
 * Rhys Wilmot
 * Rhys ap Gruffydd (rebel)
 * Rhys ap Rhydderch
 * Ricemarch Psalter
 * Richard Booth
 * Richard Brake
 * Richard Bulkeley (died 1573)
 * Richard Bulkeley (died 1621)
 * Richard Davies (bishop)
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 * Richard Edwards (educator)
 * Richard Ellis (librarian)
 * Richard Fenton
 * Richard Geraint Rees
 * Richard Griffiths (industrialist)
 * Richard Gwyn (Welsh writer)
 * Richard Haig
 * Richard Hancorne
 * Richard Harries, Baron Harries of Pentregarth
 * Richard Hughes Williams
 * Richard Hurlin
 * Richard John Lloyd Price
 * Richard Jones (Ruthin priest)
 * Richard Jones (priest, born 1603)
 * Richard Lancaster
 * Richard Lathrop
 * Richard Livsey, Baron Livsey of Talgarth
 * Richard Lloyd (Cardigan politician)
 * Richard Llwyd
 * Richard Lucas (priest)
 * Richard Martin (Mayor of Swansea)
 * Richard Mathias
 * Richard Meade
 * Richard Meredith (bishop)
 * Richard Middleton (priest)
 * Richard Milbourne
 * Richard Owen (minister)
 * Richard Pain
 * Richard Parry-Jones
 * Richard Rawlins
 * Richard Richards (judge)
 * Richard Smalbroke
 * Richard Thomas (priest)
 * Richard Thomas and Baldwins
 * Richard Trevor (bishop)
 * Richard Valentine Pitchford
 * Richard Vaughan (died 1734)
 * Richard Williams (alias Cromwell)
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 * Rigrawst
 * Ring of bells
 * Ringland, Newport
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 * River Honddu (Monmouthshire)
 * River Honddu (Powys)
 * River Kenfig
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 * River Rhiw
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 * Riverside, Cardiff
 * Riversimple
 * Roath
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 * Rob Evans (footballer)
 * Rob Howley
 * Rob McCusker
 * Rob Partridge
 * Rob Wainwright (civil servant)
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 * Robert Baugh
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 * Robert Davies (antiquary, died 1728)
 * Robert Davies Roberts
 * Robert Francis Jenner
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 * Robert Huber
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 * Robert Isaac Jones
 * Robert J. Davies
 * Robert Jones (writer)
 * Robert Jones Derfel
 * Robert Knight (cricketer, born 1858)
 * Robert Lee Roberts
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 * Robert Mills-Roberts
 * Robert Morton Nance
 * Robert Myddelton (1678–1733)
 * Robert Owen (theologian)
 * Robert Pugh (Jesuit)
 * Robert Puleston
 * Robert Roberts (footballer, born 1864)
 * Robert Roberts (footballer, born 1865)
 * Robert Roberts (priest)
 * Robert Rowthorn
 * Robert Sherborne
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 * Robert Sidoli
 * Robert Thomas Jenkins
 * Robert Vaughn (Montana rancher)
 * Robert Williams (Robert ap Gwilym Ddu)
 * Robert Wynne (Chancellor of St Asaph)
 * Robin Hood Inn, Monmouth
 * Robin Huw Bowen
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 * Robyn Lock
 * Rock Mill Llandysul
 * Rock cannon
 * Rockfield, Monmouthshire
 * Rockfield Studios
 * Rod Williams (Welsh footballer)
 * Roger Addison
 * Roger Edwards (Calvinist)
 * Roger Hackney
 * Roger Mortimer of Wigmore
 * Roger Roberts, Baron Roberts of Llandudno
 * Rogerstone railway station
 * Rogiet
 * Rogiet Primary School
 * Rollin Menayese
 * Roman Bridge railway station
 * Roman Catholic Diocese of Menevia
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 * Roman Jugg
 * Ron Davies (footballer, born 1942)
 * Ron Jones (commentator)
 * Ronald Lockley
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 * Rookwood Hospital
 * Rosalie K. Fry
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 * Rose Davies (activist)
 * Rosebush, Pembrokeshire
 * Rosemarket
 * Rosina Davies
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 * Rough Cut (TV series)
 * Rowen, Conwy
 * Rowland Jones
 * Rowland Lee (bishop)
 * Rowland Meyrick
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 * Rowland Vaughan (poet)
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 * Rowland Williams (theologian)
 * Rowley Thomas
 * Roy Francis (rugby)
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 * Royal Arcade, Cardiff
 * Royal George House
 * Royal Glamorgan Hospital
 * Royal House, Machynlleth
 * Royal Porthcawl Golf Club
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 * Ruabon Brook Tramway
 * Ruabon Grammar School
 * Ruabon Moors
 * Ruabon railway station
 * Rubin Colwill
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 * Rumney, Cardiff
 * Rungano Nyoni
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 * Russell Deacon
 * Russell George (Welsh politician)
 * Russell Goodway
 * Rusty Shackle
 * Ruth Dunning
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 * Rutherford Health
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 * Ruthin Craft Centre
 * Ruthin Gaol
 * Ruthin Rural District
 * Ruthin Town Hall
 * Ryan Conbeer
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 * S4C Digital Networks
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 * Saint Mary & Saint Philopateer Abu Saifain Coptic Orthodox Church
 * Saint Materiana
 * Saint Peris
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 * Saint Tudwal's Islands
 * Saint Twrog
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 * Salem Chapel, Robertstown
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 * Sali Hughes
 * Sally Peake
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 * Salt Island, Anglesey
 * Saltney
 * Salusbury baronets
 * Salvia (artist)
 * Sam Cross
 * Sam O'Connor (rugby union)
 * Samuel C. Hughes
 * Samuel Ellis and Company
 * Samuel Ifor Enoch
 * Samuel Instone
 * Samuel Jones (nonconformist)
 * Sanatorium Park
 * Sandfields, Port Talbot
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 * Sandfields West
 * Sandford principle
 * Sanjeev Gupta
 * Sara Head
 * Sara Sugarman
 * Sarah Edith Wynne
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 * Sarah Prescott
 * Sarah Thomas (centenarian)
 * Sarn, Powys
 * Sarn Complex
 * Saron Baptist Chapel, Carmarthenshire
 * Saron Chapel, Aberaman
 * Saughall railway station
 * Saundersfoot Railway
 * Sbardun
 * Sbectel
 * Scarlet FM
 * Scarlet Rebels
 * Scheduled monuments in Carmarthenshire
 * Scheduled monuments in Ceredigion
 * Scheduled monuments in Gwynedd
 * Scleddau
 * Scolton Manor
 * Scope (charity)
 * Scott Davies (cyclist)
 * Scott Smith (footballer, born 2001)
 * Scott van-der-Sluis
 * Scourfield baronets
 * Scouting in Wales
 * Scoveston
 * Scoveston Fort
 * Sea Roads
 * Sea Sketches
 * Seabank Hotel
 * Sealand railway station
 * Sealyham House
 * Sebastopol, Torfaen
 * Sebastopol railway station
 * Second Drakeford government
 * Secretary of State for Justice
 * Seelie
 * Seion Chapel, Cwmaman
 * Seiont (electoral ward)
 * Seisyll ap Clydog
 * Seithenyn
 * Selwyn Biggs
 * Senghenydd RFC
 * Seren Books
 * Seren Bundy-Davies
 * Seren Network
 * Seren Smale
 * Sesswick
 * Seth Joshua
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 * Seven Eyes
 * Seven Sisters, Neath Port Talbot
 * Seven Sisters (electoral ward)
 * Seven Sisters RFC
 * Severn (Caldicot ward)
 * Severnside
 * Sexual abuse scandal in Cardiff archdiocese
 * Seymour Berry, 1st Baron Buckland
 * Shaheen Jafargholi
 * Shan Morgan
 * Shaun Pejic
 * Sheep shagger
 * Shell Grotto, Pontypool
 * Sheriff of Carmarthen
 * Shire Hall, Haverfordwest
 * Shire Hall, Llangefni
 * Shire Hall, Newport
 * Shire Hall, Presteigne
 * Shirenewton
 * Shirenewton Hall
 * Shirley Dynevor
 * Shirley Jones (artist)
 * Shona Powell-Hughes
 * Shoni Sguborfawr
 * Short mat bowls
 * Shotton, Flintshire
 * Shotton railway station
 * Sian Gibson
 * Sian Williams (rugby union)
 * Silian Halt railway station
 * Siloah Chapel, Llanelli
 * Siloh Chapel, Trecynon
 * Silvanus Bevan
 * Silver Star Holidays
 * Simon Davey
 * Simon Hart
 * Simon Lloyd (priest, born 1756)
 * Simon Thomas (politician)
 * Sinfonia Newydd
 * Singleton Park
 * Sioned Harries
 * Sioned James
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 * Sir Charles Morgan, 2nd Baronet
 * Sir Edward Morgan, 1st Baronet
 * Sir Evan Williams, 1st Baronet
 * Sir Gruffydd Llwyd
 * Sir Haydn (locomotive)
 * Sir Hugh Owen, 1st Baronet
 * Sir Hugh Owen, 2nd Baronet (1641 creation)
 * Sir Hugh Owen Owen, 2nd Baronet
 * Sir John Owen, 1st Baronet
 * Sir John Philipps, 1st Baronet
 * Sir John Pryce, 1st Baronet
 * Sir Rhys ap Gruffydd
 * Sir Roger Mostyn, 3rd Baronet
 * Sir Thomas Lloyd, 1st Baronet
 * Sir Thomas Salusbury, 2nd Baronet
 * Sir Thomas Wynn, 1st Baronet
 * Sir William James Thomas, 1st Baronet
 * Sirhowy
 * Sirhowy Railway
 * Siwan Davies
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 * Six Bells
 * Six Bells Colliery
 * Six Bells Halt railway station
 * Sixth form college
 * Size of Wales
 * Siân Evans
 * Siân Pari Huws
 * Skanda Vale
 * Skenfrith
 * Sker House
 * Skerries Lighthouse
 * Sketty
 * Sketty Hall
 * Skewen
 * Skewen railway station
 * Skills and Volunteering Cymru
 * Skokholm Lighthouse
 * Skrinkle Sandstones Group
 * Slate operations on the Welsh Highland Railway
 * Sleath Farmhouse, Llangua
 * Slebech
 * Slowly Rolling Camera
 * Slwch Tump
 * Smallest House in Great Britain
 * Smalls Lighthouse
 * Smart's Bridge
 * Smarts Quarry
 * Snelling Sevens
 * Snowdon Ranger railway station
 * Snowdon Volcanic Group
 * Snowdonia Marathon
 * Snowdonia Society
 * Soar Chapel, Cwmaman
 * Soar Chapel, Llanelli
 * Soar Chapel, Llwydcoed
 * Society of Gentleman Practisers in the Courts of Law and Equity
 * Sodston Manor
 * Solicitor General for England and Wales
 * Solva
 * Solva Woollen Mill
 * Solva limekilns
 * Somerton Park
 * Somerton TARDIS
 * Sona Burstein
 * Sophia Crichton-Stuart, Marchioness of Bute
 * Sophia Gardens (cricket ground)
 * Sophia Smale
 * Sophie Anderson (author)
 * Sophie Howe
 * Sophie Melville
 * Sorba Thomas
 * Sosban Fach
 * Soul Crew
 * South Bishop Lighthouse
 * South East Wales Corporate Joint Committee
 * South East Wales Transport Alliance
 * South Glamorgan County Council
 * South Glamorganshire (UK Parliament constituency)
 * South Hook LNG terminal
 * South Monmouthshire (UK Parliament constituency)
 * South Stack
 * South Wales Coast and Severn Estuary Coastal Path
 * South Wales East (Senedd electoral region)
 * South Wales Geologists' Association
 * South Wales Mineral Railway
 * South Wales Miners' Museum
 * South Wales Mountaineering Club
 * South Wales Premiership
 * South Wales Trunk Road Agent
 * South West Wales Corporate Joint Committee
 * Southern Distributor Road
 * Southern Examining Group
 * Southerndown Coast
 * Southerndown Road railway station
 * Southgate, Swansea
 * Sparks in the Park
 * Spectrum Technologies
 * Spencer Davis
 * Spencer John
 * Spillers Records
 * Spittal, Pembrokeshire
 * St-y-Nyll
 * St. Andrews Major
 * St. Athan railway station
 * St. Brides Netherwent
 * St. David's Shopping Centre (Swansea)
 * St Afan's Church, Llanafan
 * St Alban's Church, Llanelli
 * St Alban-on-the-Moors Church
 * St Andrew's Church, Bayvil
 * St Andrew's Church, Penrice
 * St Andrew's Church, Presteigne
 * St Andrew's Church, Tredunnock
 * St Anne's Church, Ynyshir
 * St Anne's House, Tintern
 * St Anno's Church, Llananno
 * St Asaph (Denbigh) Rural District
 * St Athan (electoral ward)
 * St Athan Road railway station
 * St Augustine's Church, Penarth
 * St Augustine's Church, Rumney
 * St Baglan's Church, Llanfaglan
 * St Bartholomew's Church, Llanover
 * St Bartholomew's Church, Sealand
 * St Beuno's Church, Penmorfa
 * St Bride's Church, Llansantffraed
 * St Brides
 * St Brides Castle
 * St Bridget's Church, Skenfrith
 * St Bridget's Church, St Brides Wentlooge
 * St Brothen's Church, Llanfrothen
 * St Cadoc's Church, Caerleon
 * St Cadoc's Church, Cheriton
 * St Cadoc's Church, Glynneath
 * St Cadoc's Church, Llancarfan
 * St Cadoc's Church, Llangattock-juxta-Usk
 * St Cadoc's Church, Llangattock Lingoed
 * St Cadoc's Church, Llangattock Vibon Avel
 * St Cadoc's Church, Penrhos
 * St Cadoc's Church, Raglan
 * St Cadoc's Hospital
 * St Canna Church, Llangan
 * St Catharine's Church, Baglan
 * St Catherine's Church, Pontypridd
 * St Catherine's Fort
 * St Catherine's Island
 * St Catwg's Church, Cwmcarvan
 * St Catwg's Church, Gelligaer
 * St Cenedlon's Church, Rockfield
 * St Clears Town Hall
 * St Collen's Church, Llangollen
 * St Crallo's Church
 * St Cybi's Church, Llangybi, Monmouthshire
 * St Cynhaearn's Church, Ynyscynhaearn
 * St Cyres School
 * St David's, Cardiff
 * St David's (Pembrokeshire electoral ward)
 * St David's Catholic College
 * St David's Church, Hubberston
 * St David's Church, Laleston
 * St David's Church, Llanddewi Brefi
 * St David's Church, Llanddewi Rhydderch
 * St David's Church, Llanddewi Skirrid
 * St David's Church, Llanfaes
 * St David's Church, Llangeview
 * St David's Church, Llanthony
 * St David's Church, Trostrey
 * St David's Church (Eglwys Dewi Sant), Carmarthen
 * St David's Hospital, Carmarthen
 * St David's Hotel, Harlech
 * St David's Welsh Church, Colwyn Bay
 * St David Lewis and St Francis Xavier Church, Usk
 * St Davids City Hall
 * St Davids Society of Singapore
 * St Decuman's Church, Rhoscrowther
 * St Dingat's Church, Dingestow
 * St Dochdwy's Church, Llandough
 * St Dogmaels
 * St Dogmaels television relay station
 * St Dogmells Rural District
 * St Donat's Church, St Donats
 * St Donat's Church, Welsh St Donats
 * St Dyfnog's Church, Llanrhaeadr
 * St Edward's Church, Roath
 * St Elidyr's Church, Stackpole
 * St Elli's Church, Llanelly
 * St Ellyw's Church, Llanelieu
 * St Elvan's Church, Aberdare
 * St Elvis, Pembrokeshire
 * St Ethelwold's Church, Shotton
 * St Fagan's Church, Trecynon
 * St Fagans
 * St Fagans railway station
 * St Florence
 * St George's Channel
 * St Georges super Ely
 * St Govan's Chapel
 * St Govan's Church, Llangovan
 * St Gredifael's Church, Penmynydd
 * St Grwst's Church, Llanrwst
 * St Gwenog's Church, Llanwenog
 * St Helen's Rugby and Cricket Ground
 * St Hilary's Church, St Hilary, Vale of Glamorgan
 * St Hilary Platform railway station
 * St Hilary transmitting station
 * St Hywyn's Church, Aberdaron
 * St Illtyd
 * St Ishmaels
 * St Issui's Church, Partrishow
 * St James's Church, Llangua
 * St James's Church, Rudry
 * St James Square, Monmouth
 * St Jerome's Church, Llangwm
 * St John's, Monmouth
 * St John's Church, Aberdare
 * St John's Church, Llandenny
 * St John Ambulance Cymru
 * St John the Baptist Church, Cardiff
 * St John the Baptist Church, Porthcawl
 * St John the Baptist School, Aberdare
 * St Joseph's Cathedral, Swansea
 * St Joseph's Catholic and Anglican High School
 * St Joseph's Church, Cardiff
 * St Joseph's Church, Port Talbot
 * St Joseph's Hospital, Newport
 * St Joseph's Roman Catholic High School, Newport
 * St Julians, Newport
 * St Justinian
 * St Justinian's Chapel
 * St Lawrence Hospital, Chepstow
 * St Lythans
 * St Madoc's Church, Llanbadoc
 * St Maethlu's Church, Llanfaethlu
 * St Margaret's Island
 * St Mark's Church, Connah's Quay
 * St Mark's Church, Newport
 * St Martin's Church, Cwmyoy
 * St Martin's Church, Pen-y-clawdd
 * St Martin's Comprehensive School
 * St Mary's (Chepstow ward)
 * St Mary's Church, Beddgelert
 * St Mary's Church, Betws-y-Coed
 * St Mary's Church, Brecon
 * St Mary's Church, Caldicot
 * St Mary's Church, Carew
 * St Mary's Church, Downe
 * St Mary's Church, Haverfordwest
 * St Mary's Church, Llanfair-ar-y-bryn
 * St Mary's Church, Llanfair-yn-Neubwll
 * St Mary's Church, Llanfairpwllgwyngyll
 * St Mary's Church, Llanllwch
 * St Mary's Church, Magor
 * St Mary's Church, Nash
 * St Mary's Church, Pembroke
 * St Mary's Church, Penllech
 * St Mary's Church, Portskewett
 * St Mary's Church, Rogiet
 * St Mary's Church, St Fagans
 * St Mary's Church, Swansea
 * St Mary's Church, Tenby
 * St Mary's Church, Tregare
 * St Mary's Church, Undy
 * St Mary's Church, Welshpool
 * St Mary's Church, Whitchurch
 * St Mary's College, Aberystwyth
 * St Mary's Roman Catholic Church, Monmouth
 * St Mary Church Road railway station
 * St Mary Hill
 * St Mary Out Liberty
 * St Mary Street/High Street
 * St Mary and All Saints' Church, Conwy
 * St Mary and St Bodfan Church, Llanaber
 * St Matthew's Church, Saltney
 * St Mechell's Church, Llanfechell
 * St Mellons Church
 * St Mellons Rural District
 * St Michael's Church, Llanfihangel Tor-y-Mynydd
 * St Michael's Church, Llanvihangel Crucorney
 * St Michael's Church, Llanvihangel Gobion
 * St Michael's Church, Michaelston-le-Pit
 * St Michael's Church, Myddfai
 * St Michael's Church, Rudbaxton
 * St Michael's Church, Tremain
 * St Michael's School, Llanelli
 * St Michael and All Angels' Church, Welshampton
 * St Michael and All Angels, Mitchel Troy
 * St Michael and All Angels Church, Colwinston
 * St Michael and All Angels Church, Llanfihangel Rogiet
 * St Michael and All Angels Church, Tongwynlais
 * St Nicholas & St John, Monkton
 * St Nicholas Church, Church Stoke
 * St Odoceus' Church, Llandawke
 * St Padarn's Church, Llanberis
 * St Padarn's Institute
 * St Padrig's Church, Llanbadrig
 * St Patrick's Church, Newport
 * St Paul's Church, Colwyn Bay
 * St Paul's Church, Newport, Wales
 * St Peris's Church, Nant Peris
 * St Peter's Church, Bryngwyn
 * St Peter's Church, Glasbury
 * St Peter's Church, Llanwenarth
 * St Peter's Church, Roath
 * St Peter's Church, Wentlooge
 * St Peter ad Vincula, Pennal
 * St Philip's Church, Caerdeon
 * St Pierre, Monmouthshire
 * St Saeran's Church, Llanynys
 * St Saviour's Church, Splott
 * St Senwyr's Church
 * St Silin's Church, Llansilin
 * St Teilo's Church, Llanarth
 * St Teilo's Church, Llandeilo
 * St Teilo's Church, Llandeilo Tal-y-bont
 * St Teilo's Church, Llandeloy
 * St Teilo's Church, Llantilio Crossenny
 * St Teilo's Church, Llantilio Pertholey
 * St Teilo's Church in Wales High School
 * St Tewdric's Church
 * St Theodore's Church, Port Talbot
 * St Thomas, Swansea
 * St Thomas à Becket Chapel, Milford Haven
 * St Trygarn's Church, Llandrygarn
 * St Twrog's Church, Maentwrog
 * St Tydfil's Hospital
 * St Tyfi's Church, Llandyfeisant
 * St Tysilio's Church, Llantysilio
 * St Tysoi's Church, Llansoy
 * St Winefride's Church, Holywell
 * St Winifred's School
 * St Wonnow's Church, Wonastow
 * St Woolos Hospital
 * Stable Block, Tredegar House
 * Stack Rock Fort
 * Stackpole Estate
 * Stagecoach South Wales
 * Stan Richards (footballer)
 * Stanage Park
 * Stanley Cornwell Lewis
 * Stanley Embankment
 * Stanley Sailors' Hospital
 * Stanley Winmill
 * Stansty
 * Star, Pembrokeshire
 * Stebonheath Park
 * Steel Company of Wales Ground
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 * Steeltown Murders
 * Stefan Jenkins
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 * Stepaside, Pembrokeshire
 * Stephen Knight (poet)
 * Stephen Morris (runner)
 * Stephen Williams (cyclist)
 * Stepney baronets
 * Steve Curtis (boxer)
 * Steve Morris (rugby union)
 * Steve Rowland (footballer)
 * Steve Sims (boxer)
 * Steynton
 * Stow Hill
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 * Strata Florida railway station
 * Strata Marcella
 * Striguil
 * Strumble Head
 * Strumble Head Lighthouse
 * Stryt Las Park
 * Stuart Davies (rugby union)
 * Stuart Harrison
 * Stuart Richardson
 * Stuart Williams (footballer)
 * Studio with Gloves
 * Stwnsh
 * Submarine (2010 film)
 * Sudbrook, Monmouthshire
 * Sue Butterworth
 * Sue Jones-Davies
 * Sugar Loaf, Monmouthshire
 * Sugar Loaf railway station
 * Sully Centurions Cricket Club Ground
 * Sully Hospital
 * Sully Island
 * Sully railway station
 * Summerhill, Pembrokeshire
 * Summerhill, Wrexham
 * Summit railway station (Snowdon Mountain Railway)
 * Survey of Anglo-Welsh Dialects
 * Susan Elan Jones
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 * Suspensory Act 1914
 * Swanbridge railway station
 * Swanline
 * Swansea Airport
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 * Swansea Bay (region)
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 * Swansea Beach
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 * Swansea Guildhall
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 * Swansea Jack
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 * Swansea Metropolitan University
 * Swansea Museum
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 * Swansea University Medical School
 * Swansea Vale Railway
 * Swansea War Memorial
 * Swing Bridge, River Neath
 * Swiss Cottage, Rockfield
 * Swyddfa'r Sir
 * Swyddffynnon
 * Sychdyn
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 * Syd Morgan
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 * Sŵnami
 * T. E. Nicholas
 * T. Gwynn Jones
 * T. Rowland Hughes
 * TJ's
 * TSS St David (1947)
 * Tabernacle Baptist Chapel, Cwmyoy
 * Tabernacle Chapel, Abercynon
 * Tabernacle Chapel, Aberdare
 * Tabernacle Chapel, Llandovery
 * Tabernacle Chapel, Morriston
 * Tabernacle Chapel, Ynysybwl
 * Tafarn Sinc
 * Taff's Well
 * Taff Bargoed
 * Taff Vale Park
 * Taffs Well railway station
 * Taffy was a Welshman
 * Taibach
 * Taint (band)
 * Tair Carn Uchaf
 * Tako Taal
 * Tal-y-Cafn
 * Tal-y-Cafn railway station
 * Tal-y-bont, Ceredigion
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 * Tal-y-llyn, Anglesey
 * Tal-y-llyn, Gwynedd
 * Tal-y-llyn Lake
 * Tal Selley
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 * Talbot Athletic Ground
 * Talbot Green
 * Tales from the Green Valley
 * Talgarth Town Hall
 * Talgarth railway station
 * Taliesin Arts Centre
 * Taliesin Williams
 * Talisa García
 * TalkNorth Wales
 * Talley Lakes
 * Talley transmitting station
 * Talsarn Halt railway station
 * Talybont-on-Usk
 * Talybont-on-Usk (electoral ward)
 * Talyllyn (locomotive)
 * Talysarn
 * Talywain
 * Tammy Jones
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 * Tan-y-Bwlch railway station
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 * Tanyfron
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 * Taplas
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 * Tarian y Gweithiwr
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 * Tavernspite
 * Tawe-Uchaf
 * Tawe Phoenix Boat Club
 * Technium
 * Ted Peterson
 * Ted Robbins (football administrator)
 * Ted Rowlands, Baron Rowlands
 * Tegan Nox
 * Tegau Eurfron
 * Tegeingl
 * Tegid Foel
 * Tegryn
 * Tegwared y Bais Wen
 * Tegwen Matthews
 * Teigl Halt railway station
 * Teleri Bevan
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 * Temperance Town, Cardiff
 * Templeton, Pembrokeshire
 * Tempore
 * Tenby Cottage Hospital
 * Tenby Davies
 * Tenby Town Hall
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 * Tenpin Bowling Association of Wales
 * Terry Gooding
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 * Tesni Murphy
 * Test, Trace, Protect
 * Tewdrig
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 * The 16' Club
 * The Aberdare Leader
 * The Airfield
 * The Angel Hotel, Abergavenny
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 * The Anglo-Welsh Review
 * The Argoed, Penallt
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 * The Bards of Wales
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 * The Bells of Aberdovey
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 * The Blue Anchor Inn
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 * The Celts (2000 TV series)
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 * The Cynon Valley Party
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 * The Gauntlet (novel)
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 * The Grove (Pembrokeshire hotel)
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 * The Interns (band)
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 * The Land (adventure playground)
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 * The Mumbles Lifeboat Station
 * The Mynde (Caerleon)
 * The National (Wales)
 * The Old Cottage, Treadam, Llantilio Crossenny
 * The Old Court House, Ruthin
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 * The Oval (Llandudno)
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 * The Parlour
 * The Pembrokeshire Murders
 * The Peth
 * The Point, Cardiff
 * The Poppies (Welsh band)
 * The Procurator's House, Magor
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 * The Tubs
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 * The Welsh Boat Race
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 * The Widow (TV series)
 * Theatr Clwyd
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 * Theo Wharton
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 * Theophilus Jones (historian)
 * This Week (newspaper)
 * Thomas Artemus Jones
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 * Thomas Benbow Phillips
 * Thomas Bevan (missionary)
 * Thomas Briscoe
 * Thomas Button
 * Thomas Charles-Edwards
 * Thomas Coke (bishop)
 * Thomas David Frank Evans
 * Thomas Davies (footballer, born 2003)
 * Thomas E. Stephens (artist)
 * Thomas Ellis (priest, died 1673)
 * Thomas Ellis (priest, died 1792)
 * Thomas Floyd
 * Thomas Gee
 * Thomas Glyn Watkin
 * Thomas Hanbury-Tracy, 2nd Baron Sudeley
 * Thomas Hancorne (1642 – 1731)
 * Thomas Hancorne (1752–1838)
 * Thomas Henry Blythe
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 * Thomas Johnes (died 1780)
 * Thomas Johns (minister)
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 * Thomas L. Thomas
 * Thomas Levi
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 * Thomas Mansel, 1st Baron Mansel
 * Thomas Morgan (Afanwyson)
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 * Thomas Nicholas (antiquary)
 * Thomas Owen (priest)
 * Thomas Pardo
 * Thomas Parry (Comptroller of the Household)
 * Thomas Pearson Moody
 * Thomas Powel
 * Thomas Powell (Cardiganshire MP)
 * Thomas Powell (rector of Cantref)
 * Thomas Rees (Congregational minister)
 * Thomas Rees (Twm Carnabwth)
 * Thomas Rhondda Williams
 * Thomas Richard Lloyd
 * Thomas Richards (priest)
 * Thomas Roberts (radical writer)
 * Thomas Scott-Ellis, 8th Baron Howard de Walden
 * Thomas Skevington
 * Thomas Thomas (architect)
 * Thomas Thomas (priest)
 * Thomas Wallensis
 * Thomas Williams Phillips
 * Thomas Young (bishop)
 * Thornhill, Cardiff
 * Thornhill Cemetery and Cardiff Crematorium
 * Those Damn Crows
 * Three Castles Walk, Monmouthshire
 * Three Cocks
 * Thyrza Anne Leyshon
 * Tich Gwilym
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 * Tigertailz
 * Tim Vincent
 * Tinopolis
 * Tintern
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 * Tintern railway station
 * Tir Gofal
 * Tollgate House, Mitchel Troy
 * Tom Burns (bishop)
 * Tom Cullen
 * Tom Doran (boxer)
 * Tom Hopkins (rugby league)
 * Tom Lockyer
 * Tom Lucas (trade unionist)
 * Tom Norris (boxer)
 * Tom Pook
 * Tom Rhys Harries
 * Tom Rolt (locomotive)
 * Tom Walley
 * Tom Ward
 * Tom Williams (rugby union, born 1887)
 * Tom Worthington (footballer)
 * Tomen y Mur
 * Tomen yr Allt
 * Tommy Bamford
 * Tommy David
 * Tommy Davies
 * Tommy Farr
 * Ton Farmhouse, Llangybi
 * Tondu railway station
 * Tonfanau railway station
 * Tongwynlais
 * Tongwynlais railway station
 * Tonna, Neath
 * Tonna Hospital
 * Tonna RFC
 * Tonteg
 * Tonteg Halt railway station
 * Tony Bianchi
 * Tony Etoria
 * Tony James (Welsh footballer, born 1978)
 * Tony Jewell (doctor)
 * Tony Lewis
 * Tony Roberts (footballer)
 * Tonyrefail
 * Tonyrefail East
 * Torch Theatre, Milford Haven
 * Torchwood (audio drama series)
 * Torfaen (UK Parliament constituency)
 * Torfaen Museum
 * Torfaen Tigers
 * Torpantau railway station
 * Tour de Gwent
 * Town, Merthyr Tydfil
 * Town Farm, Grosmont
 * Trade Centre Group
 * Trade Union (Wales) Act 2017
 * Traeth Bychan
 * Traeth Mawr
 * Traeth Mawr Loop
 * Trahaearn ap Caradog
 * Transport for Wales
 * Transport for Wales Rail
 * TrawsCambria
 * Trawscoed fort
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 * Trawsfynydd
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 * Tre'r Ceiri
 * Tre-Taliesin
 * Treachery of the Blue Books
 * Trearddur
 * Treaty of Aberconwy
 * Treaty of Gwerneigron
 * Trebanog
 * Trebanos
 * Treberfydd
 * Treborth railway station
 * Trecwn
 * Trecynon
 * Tredean House, Devauden
 * Tredegar General Hospital
 * Tredegar House
 * Tredegar Iron and Coal Company
 * Tredegar Medical Aid Society
 * Tredegar Park and Marshfield
 * Tredegar Town Band
 * Tredegar Town Hall
 * Tredegar railway station
 * Tredunnock
 * Tref Alaw
 * Trefasser
 * Trefeca
 * Trefelin B.G.C.
 * Treffgarne
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 * Treffgarne Hall
 * Trefignath
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 * Trefor Quarry railway
 * Trefor Richard Morgan
 * Treforest Estate railway station
 * Treforest railway station
 * Trefriw Woollen Mills
 * Tregaron Hospital
 * Tregaron railway station
 * Tregarth
 * Tregeiriog
 * Tregeiriog House, Llanishen, Monmouthshire
 * Tregrug Castle
 * Tregyb Woodlands
 * Tregynon
 * Trehafod
 * Treherbert RLFC
 * Treherbert railway station
 * Trellech United
 * Trelleck Grange
 * Trelystan
 * Tremadog Town Hall
 * Tremeirchion
 * Treorchy Male Choir
 * Treorchy RFC
 * Treorchy railway station
 * Trerhyngyll and Maendy Halt railway station
 * Tresaith
 * Trethomas
 * Trevelin
 * Trevethin Community School
 * Trevil Halt railway station
 * Trevor, Wrexham
 * Trevor Boyns
 * Trevor Brewer
 * Trevor Evans (journalist)
 * Trevor Fishlock
 * Trevor Hall, Denbighshire
 * Trevor Jones (Welsh footballer)
 * Trevor Lawless
 * Trevor Llewellyn
 * Trewent Point
 * Trewern Hall
 * Trewern United F.C.
 * Treworgan Manor, Llansoy
 * Trewyn Farm barn, Llanvihangel Crucorney
 * Trewyn House
 * Trichrug
 * Tricky Nixon
 * Trimsaran
 * Trinity University College
 * Trip Hazard: My Great British Adventure
 * Trivor Farmhouse, St Maughans
 * Troed-y-rhiw
 * Trostrey
 * Trostrey Court
 * Trust PA
 * Trwyn Du Lighthouse
 * Tryfan Junction railway station
 * Trystan Gravelle
 * Trystan Owain Hughes
 * Tsunami Relief Cardiff
 * Tudno (electoral ward)
 * Tudno FM
 * Tudor Court, Penley
 * Tudor Edwards
 * Tudor Merchant's House
 * Tudor Trader House
 * Tudor poor laws
 * Tudur ap Goronwy
 * Tudweiliog
 * Tufton, Pembrokeshire
 * Tumble, Carmarthenshire
 * Tumuli Shroomaroom
 * Turf Hotel
 * Turner House Gallery
 * Twm Siôn Cati
 * Twm o'r Nant
 * Twmbarlwm
 * Twrch Trwyth
 * Twthill, Rhuddlan
 * Ty'n-y-bryn quarry
 * Ty-Cooke Farmhouse, Mamhilad
 * Ty-Hwnt-y-Bwlch Farmhouse, Cwmyoy
 * Ty-asch, Mamhilad
 * Ty-mawr Farmhouse, Cwmyoy
 * Ty-uchaf Farmhouse, Llanelly
 * Ty Bronna
 * Ty Coch Cruck Barn, Llangynhafal, Denbighshire
 * Ty Gwyn, Lisvane
 * Ty Mawr Reservoir
 * Tycroes
 * Tyisha
 * Tylorstown
 * Tylwyth Teg
 * Tynewydd, Rhondda Cynon Taf
 * Tynged yr Iaith
 * Tyrone O'Sullivan
 * Tyrrau Mawr
 * Tysilio
 * Tythegston
 * Tywyn
 * Tywyn Hospital
 * Tŷ Canol Wood
 * Tŷ Croes railway station
 * Tŷ Mawr, Castle Caereinion
 * Tŷ Mawr, Dingestow
 * Tŷ Mawr Wybrnant
 * Tŷ Newydd
 * Tŷ Newydd Burial Chamber
 * Tŷ unnos
 * ULTra (rapid transit)
 * Uhtred (bishop of Llandaff)
 * Un Nos Ola Leuad
 * Under Milk Wood
 * Under Milk Wood (2015 film)
 * Under the Driftwood Tree
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 * Uned 5
 * Union School of Theology
 * Union dividend
 * Union of Welsh Independents
 * Universal Colliery
 * Universities' Police Science Institute
 * University College of North Wales (original building)
 * University of Wales, Newport
 * University of Wales Institute of Science and Technology
 * Untitled (Evans)
 * Upper Boat
 * Upper Boat Halt railway station
 * Upper Boat railway station
 * Upper Corris Tramway
 * Upper Dyffryn House, Grosmont
 * Upper Green, Llantilio Crossenny
 * Upper Pengelli, Kerry (Montgomeryshire)
 * Upper Pontnewydd railway station
 * Upper Red House, Llanvihangel-Ystern-Llewern
 * Upper Tal-y-fan, Dingestow
 * Upper White Castle Farmhouse
 * Upper Wye Gorge
 * Upton, Pembrokeshire
 * Upton Castle
 * Ursula Masson
 * Usk Bridge (Brecon)
 * Usk Bridge (Usk)
 * Usk Railway Bridge
 * Usk Valley Walk
 * Usk railway station (Great Western Railway)
 * Uskmouth power stations
 * Uvedale Corbett Junior
 * Uzmaston
 * Uzmaston, Boulston and Slebech
 * Uí Ímair
 * Vaendre Hall
 * Vale Vikings
 * Vale of Clwyd
 * Vale of Clwyd Railway
 * Vale of Glamorgan Borough Council
 * Vale of Glamorgan Line
 * Vale of Glamorgan Railway
 * Valentine Morris
 * Valerie Randle
 * Valle Crucis Abbey
 * Valley Cougars
 * Valley Greyhound Stadium
 * Valley Lines (train operating company)
 * Valley Wetlands
 * Valley railway station
 * Valor Ecclesiasticus
 * Valuation Tribunal for Wales
 * Varteg railway station
 * Vates
 * Vaughan Gething
 * Vaux Passional
 * Vaynor
 * Venue Cymru
 * Vernon Watkins
 * Veronica German
 * Very Annie Mary
 * Vetch Field
 * Vian Bakir
 * Vicki Thomas
 * Victim Support
 * Victoria Gardens, Neath
 * Victoria Memorial Hospital
 * Victoria Park, Cardiff
 * Vikki Howells
 * Vincent Evans (artist)
 * Viral Landscapes
 * Virginia Park (Caerphilly)
 * Viv Woodward (Welsh footballer)
 * Viva Machine
 * Vivian & Sons
 * Vivian Jenkins
 * Vivian Naylor-Leyland
 * Vivian family (baronets and barons)
 * Votty & Bowydd quarry
 * W. R. P. George
 * W. S. Gwynn Williams
 * WPA World Nine-ball Championship
 * WRU Challenge Cup
 * WRU Division Three North
 * WRU Division Three West A
 * Waenavon railway station
 * Wakestock (Wales)
 * Waking the Dragon
 * Wales & Borders franchise
 * Wales (European Parliament constituency)
 * Wales (magazine)
 * Wales Air Ambulance
 * Wales Arts Review
 * Wales Autism Research Centre
 * Wales Centre for Public Policy
 * Wales Co-operative Centre
 * Wales Genocide Memorial
 * Wales Governance Centre
 * Wales Institute for Research in Art and Design
 * Wales Interpretation and Translation Service
 * Wales National County Cricket Club
 * Wales University Officers' Training Corps
 * Wales Way
 * Wales West and North Television
 * Wales at Six
 * Wales at the 1930 British Empire Games
 * Wales at the 1934 British Empire Games
 * Wales at the 1958 British Empire and Commonwealth Games
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 * Wales at the 2014 Commonwealth Games
 * Wales at the 2018 Commonwealth Games
 * Wales at the 2022 Commonwealth Games
 * Wales at the Commonwealth Games
 * Wales at the FIFA World Cup
 * Wales bucket hat
 * Wales in the Junior Eurovision Song Contest
 * Wales in the Junior Eurovision Song Contest 2018
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 * Wales men's national basketball team
 * Wales national under-18 football team
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 * Wallace Building, Swansea
 * Walley Barnes
 * Wallis Thomas
 * Walnut Tree Viaduct
 * Walter E. Rees
 * Walter Evans (footballer, born 1867)
 * Walter Jenkin Evans
 * Walter Jenkins (civil servant)
 * Walter Map
 * Walter Overbury
 * Walter Rice (MP)
 * Walter Rice Evans
 * Walter Robbins
 * Walter T. Griffiths
 * Walter of Hereford
 * Walton East
 * Walwyn's Castle
 * Warren, Pembrokeshire
 * Wartski
 * Watcyn Samuel Jones
 * Waterfall railway station (Snowdon Mountain Railway)
 * Waterfront, Swansea
 * Watkin George
 * Watkin Hezekiah Williams
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 * Wattstown
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 * Waun Fach
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 * Waunfawr railway station
 * Wawffactor
 * Wayne David
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 * We'll Keep a Welcome
 * We'll Keep a Welcome (album)
 * We All Had Doctors' Papers
 * Wedi 7
 * Weekend (Welsh band)
 * Welsh (Plural)
 * Welsh 0-6-2T locomotives
 * Welsh Amateur Championship (snooker)
 * Welsh Australian Rules Football League
 * Welsh Basin
 * Welsh Black cattle
 * Welsh Championships
 * Welsh Church (Amendment) Act 1938
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 * Welsh Highland Heritage Railway
 * Welsh International
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 * Welsh Liberal Democrats inaugural Assembly group election
 * Welsh Liberal Party
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 * Welsh National Gymanfa Ganu Association
 * Welsh Premier Division
 * Welsh Presbyterian Church (Los Angeles)
 * Welsh Rates of Income Tax
 * Welsh Republican Movement
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 * Welsh Rugby Players Association
 * Welsh Sea Rowing Association
 * Welsh Seal
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 * Welsh St Donats
 * Welsh Terrier
 * Welsh Theatre Company
 * Welsh Tract
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 * Welsh Varsity
 * Welsh Wig
 * Welsh Wildlife Centre
 * Welsh apples
 * Welsh artefacts in museums outside Wales
 * Welsh bow
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 * Welsh fiscal balance
 * Welsh handball
 * Welsh hip hop
 * Welsh regional rugby
 * Welsh units
 * Welshampton rail crash
 * Welshpool Town Hall
 * Welshpool railway station
 * Wenallt Hill
 * Wendy Mulford
 * Wentnor Group
 * Wentwood
 * Wenvoe
 * Wenvoe Castle
 * Wenvoe Tunnel
 * Wenvoe transmitting station
 * Wern-ddu Farmhouse, Llantilio Pertholey
 * Wern Ddu Claypits
 * Wernffrwd
 * West Cross
 * West End (Caldicot ward)
 * West Grove, Cardiff
 * West Hockey Association
 * West Monmouthshire (UK Parliament constituency)
 * West Usk Lighthouse
 * West Wales Parkway railway station
 * West Wales Raiders
 * Western Miners' Association
 * Western Welsh
 * Wheatsheaf Junction
 * Whistle Inn Halt railway station
 * Whitchurch, Pembrokeshire
 * Whitchurch High School
 * Whitchurch Hospital
 * Whitchurch railway station (Wales)
 * White Book of Rhydderch
 * White City Stadium, Cardiff
 * White Hart Inn, Llangybi
 * White dragon
 * Whitebrook
 * Whitecross Street, Monmouth
 * Whiteford Sands
 * Whitesands Bay (Pembrokeshire)
 * Whitland
 * Whitland Abbey
 * Whitland and Cardigan Railway
 * Whitland railway station
 * Whitson
 * Wick, Vale of Glamorgan
 * Wigfair Hall
 * Wilcrick
 * Wildings
 * Wilf Wooller
 * Wilfred Grenfell
 * Wilfred Risdon
 * WillGriff John
 * Will Jenkins-Davies
 * Will Joseph (rugby union, born 1877)
 * William A. Jones (politician)
 * William Addams Williams
 * William Alexander (rugby union)
 * William Aubrey
 * William Bassett (died 1586)
 * William Bevan (priest)
 * William Boyd Dawkins
 * William Brace
 * William David Davies
 * William Davies (footballer, born 1854)
 * William Davies Thomas
 * William Dolben
 * William E. Hopkin
 * William Edward Oakeley
 * William Edwards (architect)
 * William Edwards (school inspector)
 * William Erbery
 * William Evans (Wil Ifan)
 * William Evans (cardiologist)
 * William Evans (footballer)
 * William Evans (rugby union, born 1892)
 * William Foxwist
 * William Frost
 * William Gilbert Rees
 * William Glynne-Jones
 * William Grant Murray
 * William Griffith (born 1480)
 * William Henry Scourfield
 * William Herbert, 1st Earl of Pembroke (died 1469)
 * William Herbert, 1st Earl of Pembroke (died 1570)
 * William Howells (Mormon)
 * William Hughes (bishop of St Asaph)
 * William Hughes (born 1998)
 * William Jackson, 1st Baron Jackson
 * William Jenkins Rees
 * William John Evans
 * William Jones (Welsh priest)
 * William Jones (judge)
 * William Jones (mathematician)
 * William Lewis (MP for Anglesey)
 * William Lloyd (British Naval officer)
 * William Lucas Collins
 * William Lucy
 * William Martin (Royal Marines officer)
 * William Maurice (antiquary)
 * William McConnel
 * William Milbourne James (judge)
 * William Morgan (of Dderw)
 * William Morgan (of Machen and Tredegar)
 * William Morris (Baptist minister)
 * William Mostyn Owen
 * William Nathaniel Jones
 * William Owen Pughe
 * William Owen Stanley
 * William Parry (tutor)
 * William Price (High Sheriff)
 * William Rees (priest and writer)
 * William Richard Williams (theologian)
 * William Roberts (bishop of Bangor)
 * William Roberts (footballer, born 1859)
 * William Roberts (footballer, born 1863)
 * William Rowlands (Gwilym Lleyn)
 * William Saunders (poet)
 * William Shone (footballer)
 * William Spurrell
 * William Squire
 * William Thelwall Thomas
 * William Thomas (bishop of Worcester)
 * William Turner (footballer, born 1867)
 * William W. Davies
 * William Watkin Edward Wynne
 * William Williams (Creuddynfab)
 * William Williams (Crwys)
 * William Williams (VC)
 * William Williams (antiquary)
 * William Williams (doctor)
 * William Williams (footballer, born 1856)
 * William Williams (veterinary surgeon)
 * William Wingfield (cricketer, born 1834)
 * William Wogan (politician)
 * William Wynn (poet)
 * William Wynne (historian)
 * William Wynne (lawyer)
 * William de Valence, 1st Earl of Pembroke
 * Williams Medical Supplies
 * Williams Pantycelyn Memorial Chapel, Llandovery
 * Williams and Parkinson Boat Builders
 * Willie Llewelyn
 * Willington Worthenbury
 * Windsor Colliery
 * Winifred Davies
 * Winston Roddick
 * Wisemans Bridge
 * Wiston, Pembrokeshire
 * Wiston Castle
 * Witchcraft in early modern Wales
 * Wolf's Castle
 * Wolf's Castle Halt railway station
 * Wolvesnewton
 * Women's Six Nations Championship
 * Women's football in Wales
 * Wonastow Court
 * Woodland Park railway station
 * Woodstock, Pembrokeshire
 * World's End, Denbighshire
 * Worm's Head
 * Wrexham-Rhos transmitting station
 * Wrexham A.F.C. Women
 * Wrexham Cathedral
 * Wrexham Central railway station
 * Wrexham County Borough Museum
 * Wrexham Industrial Estate
 * Wrexham Maelor
 * Wrexham North railway station
 * Wrexham RFC
 * Wrexham South railway station
 * Wrexham University
 * Wrexham and Chester Gold
 * Wrexham and District Electric Tramways
 * Wrexham and Minera Railway
 * Wrexham city centre
 * Wrinstone
 * Wyatt Gould
 * Wych Brook
 * Wye Bridge Ward, Monmouth
 * Wylfa Newydd nuclear power station
 * Wyn Griffiths
 * Wyn Williams
 * Wyndcliffe Court
 * Wyndham Lewis (politician)
 * Wyndham Park
 * Wynford Vaughan-Thomas
 * Wynn Hall
 * Wynn baronets
 * Wynne Evans
 * Wynnstay
 * Wythnos yng Nghymru Fydd
 * XS (radio station)
 * Y Bandana
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 * Y Goleudy
 * Y Gorddwr
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 * Y Lolfa
 * Y Niwl
 * Y Pris
 * Y Rhiw
 * Y Selar Awards
 * Y Sŵn
 * Yale College, Wrexham
 * Yanto Barker
 * YesCymru
 * Yma o Hyd
 * Ynys-hir RSPB reserve
 * Ynys Bery
 * Ynys Dulas
 * Ynys Gored Goch
 * Ynys Hafod, Henllys & Min Yr Afon, Usk
 * Ynys Llanddwyn
 * Ynysddu
 * Ynysforgan
 * Ynysgau Chapel, Merthyr Tydfil
 * Ynyshir
 * Ynyshir (restaurant)
 * Ynyshir railway station
 * Ynyslwyd Chapel, Aberdare
 * Ynysybwl
 * Ynysybwl (electoral ward)
 * Ynysymaengwyn
 * You Say I'm Too Much, I Say You're Not Enough
 * Young Allsopp
 * Young Marble Giants
 * Yr Eifl
 * Ysbaddaden
 * Ysbyty'r Tri Chwm
 * Ysbyty Alltwen
 * Ysbyty Bron y Garth
 * Ysbyty Cwm Cynon
 * Ysbyty Cwm Rhondda
 * Ysbyty Eryri
 * Ysbyty George Thomas
 * Ysbyty Gwynedd
 * Ysbyty Penrhos Stanley
 * Yscir with Honddu Isaf and Llanddew
 * Ysgol Ardudwy
 * Ysgol Bro Dinefwr
 * Ysgol Bro Hyddgen
 * Ysgol Brynhyfryd
 * Ysgol Brynrefail
 * Ysgol Calon Cymru
 * Ysgol Clywedog
 * Ysgol Craig y Deryn
 * Ysgol David Hughes
 * Ysgol Dyffryn Nantlle
 * Ysgol Eirias
 * Ysgol Garth Olwg
 * Ysgol Glan Clwyd
 * Ysgol Greenhill School
 * Ysgol Gyfun Cwm Rhymni
 * Ysgol Gyfun Gymraeg Glantaf
 * Ysgol Gyfun Gymraeg Llangynwyd
 * Ysgol Gyfun Gymraeg Plasmawr
 * Ysgol Gyfun Gymunedol Penweddig
 * Ysgol Gymraeg Pwll Coch
 * Ysgol Gymraeg Ystalyfera Bro Dur
 * Ysgol Llangennech
 * Ysgol Llanhari
 * Ysgol Maesteg School
 * Ysgol Morgan Llwyd
 * Ysgol Penglais School
 * Ysgol Treffynnon
 * Ysgol Tryfan
 * Ysgol Uwchradd Tywyn
 * Ysgol y Gwendraeth
 * Ysgol y Preseli
 * Ystalyfera
 * Ystlyg
 * Ystorya Adaf
 * Ystrad
 * Ystrad Marchell
 * Ystrad Meurig
 * Ystrad Mynach railway station
 * Ystradfellte
 * Ystradgynlais Community Hospital
 * Ystumllyn
 * Zac Williams (Welsh footballer)
 * Zion Baptist Chapel, Llanelli
 * Zipline Creative
 * Zoe Bäckstedt
 * Zoë Brigley
 * 2023–24 Cymru South
 * Aaron Williams (composer)
 * Alan Howarth, Baron Howarth of Newport
 * Alan Williams (Swansea West MP)
 * Alison Halford
 * Alun Davies (politician)
 * Andrew Davies (Labour politician)
 * Angharad Golden-Hand
 * Ann Jones (politician)
 * Annes Elwy
 * Archdeaconry of Montgomery
 * Arthur Henderson, Baron Rowley
 * Arthur Jenkins (British politician)
 * Barry Jones, Baron Jones
 * Bernard Dix
 * Betty Meredith-Jones
 * Betty Williams (politician)
 * Bwlch Penbarras
 * Caerwyn Roderick
 * Cardiff & District League
 * Celtic calendar
 * Chris Elmore
 * Daniel Hopkin
 * David Grenfell
 * David Hanson (politician)
 * David Morris (Labour politician)
 * David Mort
 * David Rees (politician)
 * David Williams (Swansea East MP)
 * Debbie Wilcox, Baroness Wilcox of Newport
 * Denzil Davies
 * Don Touhig
 * Dorothy Rees
 * Eddie Butler (rugby union)
 * Edmund Stonelake
 * Edward Laverack
 * Eirene White, Baroness White
 * Elystan Morgan
 * Emrys Hughes
 * Eric Ramsay (football coach)
 * Frank Soskice
 * Gainor Hughes
 * Gareth Thomas (Welsh politician)
 * Gareth Wardell
 * George Hall, 1st Viscount Hall
 * Goronwy Rees
 * Goronwy Roberts, Baron Goronwy-Roberts
 * Granville West, Baron Granville-West
 * Green Gartside
 * Gwenda Thomas
 * Gwilym Prichard
 * Gwilym Prys Davies, Baron Prys-Davies
 * Gwynoro Jones
 * Hefin David
 * Hilary Marquand
 * Horace Mayhew
 * Huw T. Edwards
 * Ifor Davies
 * Ivor Gwynne
 * Jane Davidson
 * Jeff Jones (Welsh politician)
 * Jeffrey Thomas (politician)
 * Jessica Morden
 * John Jones (controversialist)
 * John Jones Maesygarnedd
 * John Metcalf (composer)
 * John Smith (Welsh politician)
 * John Williams (Gower MP)
 * Jon Owen Jones
 * Joyce Daniel
 * Joyce Watson
 * Julie James
 * Karen Sinclair
 * Kirsti Bohata
 * Lesley Griffiths
 * Lewis Jones (rugby, born 1931)
 * Lynne Neagle
 * Mark Taubert
 * Martyn Jones
 * Morgan Phillips
 * Non Parry
 * Osborn Wyddel
 * Pontypridd F.C.
 * Richard Gwent
 * Richard Wyn Jones
 * Roger Thomas (British politician)
 * Roy Hughes, Baron Islwyn
 * Saint Gelert
 * Sam Parker (Welsh footballer)
 * Sandy Mewies
 * Siân James (politician)
 * Sue Essex
 * Thomas Griffiths (politician)
 * Tripartite Indenture
 * Tudor Watkins, Baron Watkins
 * Val Feld
 * Walter Lewis (trade unionist)
 * Will Owen (politician)
 * Wynnstay Arms Hotel, Ruabon

Stub-Class

 * Amgueddfa Cymru – Museum Wales
 * Books Council of Wales
 * Civil procedure in England and Wales
 * Cricket Wales
 * Four Ancient Books of Wales
 * Mid and West Wales
 * South Pembrokeshire
 * Sport Wales National Centre
 * Traditional Welsh poetic metres
 * Wales in the High Middle Ages
 * 1859 Welsh revival
 * 1979 United Kingdom general election in Wales
 * 2014–15 Welsh Premier League
 * 2016 in Wales
 * Aberdare strike 1857–1858
 * Aberporth Airport
 * Afon Cothi
 * Alun Williams
 * Andrew Vicari
 * Andy Melville
 * Apothecaries Act 1815
 * Arts Council of Wales
 * Auditor General for Wales
 * Awdl
 * Bardic name
 * Battle of Mynydd Hyddgen
 * Betsan Powys
 * Billy Jennings (Welsh footballer)
 * Blaina
 * Book of Baglan
 * Borough Theatre
 * Borough of Brecknock
 * Bridgend suicide incidents
 * Brochfael ap Elisedd
 * Byron Davies
 * Cadwallon ab Ieuaf
 * Caerphilly Mountain
 * Caradog Jones
 * Carmarthenshire County Council, 1889–1974
 * Carno wind farm
 * Castle Brogyntyn
 * Ceredig
 * Ceredigion County Council
 * Ceredigion District Council
 * Chris Freeman (scientist)
 * Clyne Common
 * Coity Higher
 * Coleg y Cymoedd
 * Colwyn
 * Conwy & Denbighshire NHS Trust
 * Covenanted Churches in Wales
 * Cowbridge Grammar School
 * Cwmbran Centre
 * Cwrtmawr manuscripts
 * Cynan ab Owain Gwynedd
 * Cynfyn
 * Cyngen Glodrydd
 * Cynog ap Brychan
 * D. J. Williams (politician)
 * Dai Morris
 * Daniel Rowland (preacher)
 * David Burton-Richardson
 * David Giles (footballer)
 * David James Bowen
 * Dewi Nantbrân
 * District of Aberconwy
 * District of Carmarthen
 * District of Dinefwr
 * District of Neath
 * Dogfeiling
 * Duffryn
 * Dulais Valley
 * East Wales
 * Ebbw River
 * Edwin Seward
 * Edwyn ap Gwriad
 * Eleri Siôn
 * Encyclopaedia of Wales
 * Erb of Gwent
 * Evan Rees (Dyfed)
 * First Jones government
 * First Morgan government
 * Fishguard Bay
 * Flora of Wales
 * Foel Cwmcerwyn
 * Fourth Morgan government
 * General Teaching Council for Wales
 * Geraint Thomas National Velodrome
 * Glamorgan cattle
 * Glynn Vivian Art Gallery
 * Goronwy Daniel
 * Gruffudd ap Cynan ab Owain Gwynedd
 * Gwalia
 * Gwent County Council
 * Gwrtheyrnion
 * Gŵyl Mabsant
 * Health Commission Wales
 * Healthcare in Wales
 * Hendregadredd Manuscript
 * Hieracium snowdoniense
 * History of the Wales national football team
 * Hockey Wales
 * House of America
 * Hywel Dda University Health Board
 * Hywel ap Syr Mathew
 * Iago ab Idwal
 * Independent Alliance for Reform
 * Jack Howells
 * John Brockway (swimmer)
 * John Davies (historian)
 * John Graham Chambers
 * John Walter Jones (Wales)
 * John Weston Thomas
 * John of Monmouth (died 1257)
 * Johnny Williams (boxer)
 * Jonathan Williams (priest)
 * Justices Protection Act 1848
 * Kathrin Thomas
 * Lady Windsor Colliery
 * Lewis Davies
 * Llanfendigaid Estate
 * Llangollen and Corwen Railway
 * Llangyfelach (electoral ward)
 * Lleucu Roberts
 * Llywelyn ap Merfyn
 * Maes-e
 * Mark Isherwood (politician)
 * Meic Stevens
 * Menter Iaith
 * Michael administration
 * Mihangel Morgan
 * Moel y Parc
 * Moelwynion
 * Monknash Coast
 * Morien Morgan
 * National Cycle Museum
 * National Poet of Wales
 * Newcastle Higher
 * Newchurch, Monmouthshire
 * Nic Parry
 * Nicola Heywood-Thomas
 * North West Wales
 * Noson lawen
 * Ogmore and Garw Urban District Council
 * Ogwr
 * Olivia Mathias
 * Owen Gruffydd
 * Palace Theatre, Swansea
 * Pant-y-Goitre Bridge
 * Pembrokeshire County Council, 1889–1974
 * Penmaenpool
 * Perfeddwlad
 * Planning (Listed Buildings and Conservation Areas) Act 1990
 * Planning Inspectorate
 * Plymouth Ironworks
 * Pontarddulais (electoral ward)
 * Public Services Ombudsman (Wales) Act 2005
 * RAF Haverfordwest
 * RAF Holyhead
 * RAF Penrhos
 * RAF Rhoose
 * RAF Stormy Down
 * RAF Talbenny
 * RAF Templeton
 * RAF Towyn
 * RNAS Dale (HMS Goldcrest)
 * Race the Train
 * Radnor Forest
 * Redundancy in United Kingdom law
 * Registered Intermediary
 * Results of the 2021 Senedd election
 * Rhinog Fach
 * Rhinog Fawr
 * Rhiw Llwyd
 * Rhondda Urban District Council
 * Rhostrehwfa
 * Rhymney Valley
 * Rhys Buckley
 * Rhys Lewis (novel)
 * Roast lamb with laver sauce
 * Robert Thomas (sculptor)
 * Robin Millar (politician)
 * Ronnie Williams
 * Schools Sites Act 1841
 * Schwyll Aquifer
 * Scottish Reform Act 1832
 * Sesiwn Fawr Dolgellau
 * Shân Legge-Bourke
 * Singleton Hospital
 * Sirhowy River
 * Somerton, Newport
 * South Wales Miners' Industrial Union
 * Southwest Approaches
 * Sport Wales
 * St Bride's Minor
 * St Daniel's Church, Pembroke
 * Stadium House, Cardiff
 * Swansea Bay and West Wales Metro
 * Swansea urban area
 * Taff-Ely
 * Talybont Reservoir
 * Tathan
 * The Corn Is Green
 * The Tabernacle, Machynlleth
 * Theatr Felinfach
 * Third Jones government
 * Tomos Prys
 * Tudur Aled
 * Tudur ap Gruffudd
 * Tŷ Nant
 * Upland Britain
 * Vale of Llangollen Railway
 * Vale of Towy Railway
 * Wales & West Utilities
 * Wales National Pool
 * Welsh Baseball Union
 * Welsh Blood Service
 * Welsh Brigade
 * Welsh Government sponsored body
 * Welsh Judo Association
 * Welsh Ladies Baseball Union
 * Welsh Proms
 * Welsh Socialist Alliance
 * Welsh Way
 * Welsh bardic music
 * Welsh chronicles
 * Welsh grammar
 * West Midland Railway
 * Wildlife Trust of South and West Wales
 * William Williams of Wern
 * William Wogan (religious writer)
 * Yny lhyvyr hwnn
 * .wales
 * 11th century in Wales
 * 1717 in Wales
 * 1718 in Wales
 * 1720 in Wales
 * 1722 in Wales
 * 1854 Cardiganshire by-election
 * 1870 Merionethshire by-election
 * 1877–78 Welsh Cup
 * 1878 Welsh Cup final
 * 1879 Welsh Cup final
 * 1880 Caernarvonshire by-election
 * 1880 Radnor Boroughs by-election
 * 1881 Welsh Cup final
 * 1882 Caernarvon Boroughs by-election
 * 1882 Carmarthen Boroughs by-election
 * 1882–83 Welsh Cup
 * 1883–84 Welsh Cup
 * 1884 Radnor Boroughs by-election
 * 1884–85 Welsh Cup
 * 1885 Denbighshire by-election
 * 1885–86 Welsh Cup
 * 1886 Flintshire by-election
 * 1886–87 Welsh Cup
 * 1887–88 Welsh Cup
 * 1888–89 Welsh Cup
 * 1889 Montgomeryshire County Council election
 * 1889 Swansea County Borough Council election
 * 1889 Welsh Cup final
 * 1890 Swansea County Borough Council election
 * 1890–91 Welsh Amateur Cup
 * 1891 Swansea County Borough Council election
 * 1891–92 Welsh Amateur Cup
 * 1892 Pembrokeshire County Council election
 * 1892–93 Welsh Amateur Cup
 * 1893 Swansea District by-election
 * 1893–94 Welsh Amateur Cup
 * 1894 Llandeilo Rural District Council election
 * 1894 Ogmore and Garw Urban District Council election
 * 1894–95 Welsh Amateur Cup
 * 1895–96 North Wales Coast League
 * 1895–96 Welsh Amateur Cup
 * 1896 Aberdare Urban District Council election
 * 1896–97 Welsh Amateur Cup
 * 1897 East Denbighshire by-election
 * 1897–98 Welsh Amateur Cup
 * 1898 Pembrokeshire by-election
 * 1898–99 Welsh Amateur Cup
 * 1899 Aberdare Urban District Council election
 * 1899 Merionethshire by-election
 * 1899–1900 Welsh Amateur Cup
 * 1900 Aberdare Urban District Council election
 * 1900–01 Welsh Amateur Cup
 * 1901 Aberdare Urban District Council election
 * 1901 Llandeilo Rural District Council election
 * 1901–02 Welsh Amateur Cup
 * 1902 Aberdare Urban District Council election
 * 1902–03 Welsh Amateur Cup
 * 1903 Aberdare Urban District Council election
 * 1903–04 Welsh Amateur Cup
 * 1904 Carmarthen Rural District Council election
 * 1904 Llandeilo Rural District Council election
 * 1904 Pembrokeshire County Council election
 * 1904–05 Welsh Amateur Cup
 * 1905–06 Welsh Amateur Cup
 * 1906–07 Welsh Amateur Cup
 * 1907 Llandeilo Rural District Council election
 * 1909–10 Welsh Amateur Cup
 * 1910 Llandeilo Rural District Council election
 * 1910–11 Welsh Amateur Cup
 * 1913 Carmarthen Rural District Council election
 * 1913 Llandeilo Rural District Council election
 * 1913–14 Welsh Amateur Cup
 * 1915 Carmarthen Boroughs by-election
 * 1919 Llandeilo Rural District Council election
 * 1919–20 Welsh Amateur Cup
 * 1933–34 Cardiff City F.C. season
 * 1934–35 Cardiff City F.C. season
 * 1946 Ogmore by-election
 * 1966–67 Cardiff City F.C. season
 * 1971–72 Newport County A.F.C. season
 * 1973 Japan rugby union tour of Wales, England and France
 * 1974 New Zealand rugby union tour of Ireland, Wales and England
 * 1975 Wales rugby union tour of Asia
 * 1976 Dinefwr Borough Council election
 * 1978 Wales rugby union tour of Australia
 * 1979 Canada rugby union tour of England, Wales and France
 * 1982 Welsh Professional Championship
 * 1982–83 Cardiff City F.C. season
 * 1983 Dinefwr Borough Council election
 * 1983 Llanelli Borough Council election
 * 1983 Welsh Professional Championship
 * 1983–84 Newport County A.F.C. season
 * 1984 Llŷn Peninsula earthquake
 * 1984–85 Cardiff City F.C. season
 * 1984–85 Newport County A.F.C. season
 * 1985 Mid Glamorgan County Council election
 * 1985 Pontins Professional
 * 1985 South Glamorgan County Council election
 * 1985–86 Newport County A.F.C. season
 * 1985–86 Welsh Alliance League
 * 1986 Wales rugby union tour of the South Pacific
 * 1986 Welsh Professional Championship
 * 1986–87 Welsh Alliance League
 * 1986–87 Welsh Cup
 * 1987 United States rugby union tour of Wales
 * 1987 Welsh Professional Championship
 * 1987–88 Welsh Alliance League
 * 1988 Welsh Professional Championship
 * 1988–89 Welsh Alliance League
 * 1988–89 Welsh Cup
 * 1989 New Zealand rugby union tour of Canada and the British Isles
 * 1989 South Glamorgan County Council election
 * 1989 Welsh Professional Championship
 * 1989–90 Welsh Alliance League
 * 1989–90 Welsh Cup
 * 1990 Welsh Professional Championship
 * 1990–91 Welsh Alliance League
 * 1990–91 Welsh Cup
 * 1991 Welsh Professional Championship
 * 1991–92 Welsh Alliance League
 * 1992–93 Welsh Alliance League
 * 1993 Japan rugby union tour of Wales
 * 1993 Wales rugby union tour of Zimbabwe and Namibia
 * 1993–94 League of Wales
 * 1993–94 Welsh Alliance League
 * 1994 Wales rugby union tour of Canada and Oceania
 * 1994–95 League of Wales
 * 1994–95 Welsh Alliance League
 * 1995 Bridgend County Borough Council election
 * 1995 City and County of Swansea Council election
 * 1995 Fiji rugby union tour of Wales and Ireland
 * 1995–96 League of Wales
 * 1995–96 Welsh Alliance League
 * 1996 Rover British Clay Court Championships
 * 1996–97 Cardiff City F.C. season
 * 1996–97 League of Wales
 * 1996–97 Welsh Alliance League
 * 1997 Welsh International Open – Doubles
 * 1997 Welsh International Open – Singles
 * 1997 Welsh Open (snooker)
 * 1997–98 FAW Premier Cup
 * 1997–98 FAW Premier Cup group stage
 * 1997–98 League of Wales
 * 1998 Wales rugby union tour of Africa
 * 1998–99 League of Wales
 * 1999 United States rugby union tour of Australia and Great Britain
 * 1999 Welsh Open (snooker)
 * 1999–2000 League of Wales
 * 1999–2000 Welsh Alliance League
 * 1 and 2 Tai Cochion
 * 2000 Welsh Open (snooker)
 * 2000–01 League of Wales
 * 2000–01 Welsh Alliance League
 * 2001 Wales rugby union tour of Japan
 * 2001–02 League of Wales
 * 2001–02 Welsh Alliance League
 * 2002 New Zealand rugby union tour of Europe
 * 2002–03 Welsh Alliance League
 * 2002–03 Welsh Premier League
 * 2002–03 in Welsh football
 * 2003 Wales rugby union tour of Australia and New Zealand
 * 2003–04 Welsh Alliance League
 * 2003–04 Welsh Premier League
 * 2004 Isle of Anglesey County Council election
 * 2004–05 Welsh Alliance League
 * 2004–05 Welsh League Cup
 * 2004–05 Welsh Premier League
 * 2004–05 in Welsh football
 * 2005 Victory Shield
 * 2005 Wales Rally GB
 * 2005 Wales rugby union tour of North America
 * 2005–06 Swansea City A.F.C. season
 * 2005–06 Welsh Alliance League
 * 2005–06 Welsh League Cup
 * 2005–06 Welsh Premier League
 * 2005–06 in Welsh football
 * 2006–07 Welsh Premier League
 * 2006–07 in Welsh football
 * 2007–08 Welsh League Cup
 * 2008 Isle of Anglesey County Council election
 * 2008–09 Welsh National League (Wrexham Area)
 * 2008–09 in Welsh football
 * 2009–10 Welsh Cup
 * 2009–10 Welsh League Cup
 * 2009–10 in Welsh football
 * 2010 Speedway Grand Prix of Great Britain
 * 2010 United Kingdom general election in Wales
 * 2010–11 Welsh Football League Division Three
 * 2010–11 Welsh Football League Division Two
 * 2010–11 Welsh League Cup
 * 2010–11 Welsh Premier Women's League
 * 2010–11 in Welsh football
 * 2011–12 Newport County A.F.C. season
 * 2011–12 in Welsh football
 * 2012 Autumn International Series
 * 2012 Blaenau Gwent County Borough Council election
 * 2012 Bridgend County Borough Council election
 * 2012 Caerphilly County Borough Council election
 * 2012 Flintshire County Council election
 * 2012 Gwynedd Council election
 * 2012 Merthyr Tydfil County Borough Council election
 * 2012 Monmouthshire County Council election
 * 2012 Rhondda Cynon Taf County Borough Council election
 * 2012 Torfaen County Borough Council election
 * 2012 Vale of Glamorgan Council election
 * 2012 Wales Rally GB
 * 2012 Wrexham County Borough Council election
 * 2012–13 Newport County A.F.C. season
 * 2013 Conference Premier play-off final
 * 2013 Rugby League World Cup Group D
 * 2013 Wales Rally GB
 * 2013–14 FA Vase
 * 2013–14 Welsh Football League Division One
 * 2014–15 Newport County A.F.C. season
 * 2014–15 Scarlets season
 * 2014–15 Welsh Cup
 * 2015–16 Welsh Cup
 * 2015–16 Welsh Football League Division One
 * 2016 Wales Rally GB
 * 2016–17 Welsh Football League Division Two
 * 2017 Carmarthenshire County Council election
 * 2017 Conwy County Borough Council election
 * 2017 Flintshire County Council election
 * 2017 Monmouthshire County Council election
 * 2017 Pembrokeshire County Council election
 * 2017 Powys County Council election
 * 2017 Vale of Glamorgan Council election
 * 2017 in Wales
 * 2017–18 Cymru Alliance
 * 2018 Welsh Open (snooker)
 * 2018 Women's Six Nations Championship
 * 2018 in Wales
 * 2018–19 Cymru Alliance
 * 2020–21 Ardal NE
 * 2020–21 Ardal NW
 * 2020–21 Ardal SE
 * 2020–21 Ardal SW
 * 2020–21 Cymru South
 * 2021 Welsh Conservatives leadership election
 * 2021–22 Cymru Premier
 * 2021–22 Cymru South
 * 2021–22 Indigo Group Premiership
 * 2021–22 WRU Championship
 * 2022 Flintshire County Council election
 * 2022–23 Wrexham A.F.C. season
 * 2023 British Cycling National Track Championships
 * 2023–24 Adran Premier
 * 2023–24 Adran Trophy
 * 216 Cardiff–Bristol Airport
 * 3SL
 * 9Bach
 * A4055 road
 * A4109 road
 * A4113 road
 * A4136 road
 * A4234 road
 * A468 road
 * A469 road
 * A476 road
 * A478 road
 * A486 road
 * A489 road
 * A490 road
 * A499 road
 * A541 road
 * AC Pontymister
 * A Tour in Scotland, 1769
 * Aaron Aby
 * Aaron James (English footballer)
 * Aaron Shingler
 * Abbas Farid
 * Abbeycwmhir
 * Abel Hayes
 * Abel Hughes
 * Aber, Ceredigion
 * Aber-arad
 * Aber-giar
 * Aber Alaw
 * Aber Bargoed railway station
 * Aber Dinlle Fault
 * Aber Mawr Formation
 * Aber Swing Bridge
 * Aber Valley
 * Aber Valley F.C.
 * Aber Village
 * Aberaeron F.C.
 * Aberaeron Hospital
 * Aberaeron Urban District
 * Aberafan Centre
 * Aberafan Maesteg (UK Parliament constituency)
 * Aberaman (electoral ward)
 * Aberaman railway station
 * Aberangell
 * Aberarth
 * Aberarth – Carreg Wylan
 * Aberavon Seaside railway station
 * Aberavon Town railway station
 * Aberayron railway station
 * Aberbanc
 * Aberbargoed Hospital
 * Aberbechan
 * Aberbeeg railway station
 * Aberbowlan
 * Aberbran railway station
 * Aberbrân
 * Abercamlais
 * Abercamlais railway station
 * Abercanaid railway station
 * Abercarn RFC
 * Abercarn United A.F.C.
 * Abercegir
 * Abercrave railway station
 * Abercriban Quarries
 * Abercrychan
 * Abercwmboi Halt railway station
 * Abercwmboi RFC
 * Abercynon North railway station
 * Abercynon RFC
 * Aberdare Golf Club
 * Aberdare High School
 * Aberdare Low Level railway station
 * Aberdare Park
 * Aberdare Town F.C.
 * Aberderfyn Halt railway station
 * Aberdesach
 * Aberdylais Halt railway station
 * Aberedw
 * Aberedw railway station
 * Abererch
 * Aberfan railway station
 * Aberffraw (cantref)
 * Aberffrwd, Ceredigion
 * Aberffrwd, Monmouthshire
 * Aberffrwd railway station
 * Abergarw
 * Abergarwed
 * Abergavenny fireworks display
 * Abergeirw
 * Abergorlech
 * Abergwesyn
 * Abergwili (electoral ward)
 * Abergwili railway station
 * Abergwydol
 * Abergwynfi
 * Abergwynfi railway station
 * Aberhafesp
 * Aberhosan
 * Abermagwr
 * Abermenai Point
 * Abermeurig
 * Abermule
 * Abermule A.F.C.
 * Abermule with Llandyssil
 * Abernant, Carmarthenshire
 * Abernant, Powys
 * Abernant railway station
 * Aberoer
 * Aberpergwm
 * Abersoch Golf Club
 * Abersychan Low Level railway station
 * Abersychan School
 * Abertafol railway station
 * Aberthaw High Level railway station
 * Aberthaw Low Level railway station
 * Aberthin Platform railway station
 * Abertillery Learning Community
 * Abertillery and District Hospital
 * Abertridwr, Caerphilly
 * Abertridwr, Powys
 * Abertridwr railway station
 * Abertrinant
 * Abertysswg railway station
 * Aberwheeler
 * Aberyscir
 * Aberystwyth Rural District
 * Aberystwyth Times
 * Aberystwyth University Ceramics Collection
 * Aberystwyth University F.C.
 * Abraham (Bishop of St Davids)
 * Acrefair
 * Acrefair railway station
 * Active Travel (Wales) Act 2013
 * Adam Buick
 * Adam Jones (referee)
 * Adam Lively
 * Adam Ottley
 * Adam Street railway station
 * Adam Thomas (rugby union)
 * Adam the Welshman
 * Adamsdown Primary School
 * Adda Fras
 * Addysgydd
 * Adfa, Powys
 * Admiral Rodney's Pillar
 * Adpar
 * Adrian Meikle
 * Adwen
 * Aergol Lawhir
 * Aethwy Rural District
 * Afallach
 * Afon Aber
 * Afon Alaw
 * Afon Alun
 * Afon Angell
 * Afon Annell
 * Afon Brân
 * Afon Cadnant
 * Afon Cefni
 * Afon Cegin
 * Afon Ceirig
 * Afon Cerist
 * Afon Cilieni
 * Afon Colwyn
 * Afon Crai
 * Afon Crawnon
 * Afon Cwmnantcol
 * Afon Cynrig
 * Afon Ddu
 * Afon Deri
 * Afon Dringarth
 * Afon Dulas
 * Afon Dulyn
 * Afon Dyffryn Gwyn
 * Afon Eden
 * Afon Eigiau
 * Afon Elan
 * Afon Erch
 * Afon Ffinnant Formation
 * Afon Ffraw
 * Afon Gwili (Loughor)
 * Afon Gwydderig
 * Afon Gwyrfai
 * Afon Hydfer
 * Afon Iwrch
 * Afon Leri
 * Afon Llafar
 * Afon Llafar (Dee)
 * Afon Lledr
 * Afon Llia
 * Afon Lloer
 * Afon Llyfni
 * Afon Llynfi (Wye)
 * Afon Marlais, Carmarthenshire
 * Afon Marlas
 * Afon Marteg
 * Afon Meillionen
 * Afon Melynllyn
 * Afon Merddwr
 * Afon Morlais
 * Afon Mynach
 * Afon Porth-llwyd
 * Afon Pyrddin
 * Afon Rhythallt
 * Afon Roe
 * Afon Seiont
 * Afon Senni
 * Afon Soch
 * Afon Tafolog
 * Afon Tanat
 * Afon Tarell
 * Afon Twrch, Carmarthenshire
 * Afon Twymyn
 * Afon Wyre
 * Afon Ysgethin
 * Afon Ysgir
 * Afon y Maes
 * Afonwen
 * Agricultural Land Classification
 * Aileen Richards
 * Aithnen
 * Alabum
 * Alan Alan
 * Alan Edmunds
 * Alan Edwards (rugby)
 * Alan Jarvis
 * Alan Jevons
 * Alan Jones (footballer, born 1939)
 * Alan Reynolds (rugby union)
 * Alan Simons
 * Alan Williams (Carmarthen MP)
 * Alasdair Whittle
 * Alban Thomas
 * Albert Freethy
 * Albert Gladstone
 * Albert Gower-Rees
 * Albert Hall, Llandrindod Wells
 * Albert Hawkins
 * Albert Jones (footballer, born 1883)
 * Albert Lewis (priest)
 * Albert Lockley
 * Albert Love
 * Albert Parry
 * Albert Pryce-Jones
 * Albert Thomas Davies
 * Albert Wardell
 * Albert Young (footballer)
 * Alberta Place Halt railway station
 * Albion Rovers F.C. (Newport)
 * Aldred Williams
 * Aled Gravelle
 * Aled Hall
 * Aled Owen
 * Aled Wyn Davies
 * Alex Cuthbert
 * Alex Everett
 * Alex Finlayson (rugby union)
 * Alex Givvons
 * Alex Gough (squash player)
 * Alex Jones (rugby league)
 * Alex Mann (rugby union)
 * Alexander Griffith
 * Alexander Hunter (footballer)
 * Alf Davies
 * Alfred Ernest Watkins
 * Alfred Francis
 * Alfred Lewis Jones
 * Alfred Oliver
 * Alfred Owen Davies
 * Alfred Townsend
 * Ali Loke
 * Alice Springs Golf Club
 * Alis Wen
 * All Nations Centre
 * All Under One Banner Cymru
 * Allan Garraway
 * Allen's of Tenby
 * Allen Price
 * Allt-fawr
 * Allt-y-Main
 * Allt Cynhelyg
 * Allt Ddu Formation
 * Allt Lwyd
 * Allt Penycoed Stream Section
 * Allt Pontfaen - Coed Gelli-fawr
 * Allt y Benglog National Nature Reserve
 * Alltddu Halt railway station
 * Alltmawr
 * Alltwalis Wind Farm
 * Alltyblacca
 * Alt-y-Graig railway station
 * Alun Carter
 * Alun Davies (historian)
 * Alun Davies (priest)
 * Alun Davies (rugby union)
 * Alun Donovan
 * Alun Evans (priest)
 * Alun Hawkins
 * Alun Herbert Davies
 * Alun Lawrence
 * Alun Pask
 * Alun Pugh
 * Alun Rees
 * Alun Tan Lan
 * Alun Wyn Davies
 * Alyn Gorge
 * Alyn Valley Woods and Alyn Gorge Caves
 * Alyn Waters
 * Alys Conran
 * Alys Williams (singer)
 * Ambrose Mason
 * Amddiffynydd yr Eglwys
 * Amelia Ritchie
 * Amenity society
 * Amlwch Port
 * Amlwch railway station
 * Ammanford (electoral ward)
 * Ammanford Colliery Halt railway station
 * Ammanford railway station (GWR)
 * Ammanford transmitting station
 * Amober
 * Amroth (electoral ward)
 * Amser Te
 * Amy Guy
 * Amy Williams (bowls)
 * An Overshot Mill in Aberdulais, Wales
 * Anafon River
 * Andres Jones
 * Andrew Brereton
 * Andrew Davies (weightlifter)
 * Andrew Fleming (bowls)
 * Andrew Green (librarian)
 * Andrew House
 * Andrew Jones (priest)
 * Andrew Matthews-Owen
 * Andrew Morris (gymnast)
 * Andrew Morris (priest)
 * Andrew Phillips (priest)
 * Andrew Rowell
 * Andy Allen (rugby union)
 * Andy Booth (rugby union)
 * Andy Edwards (footballer, born 1965)
 * Andy Grimwood
 * Andy Herrick
 * Andy Marinos
 * Anebolithus
 * Aneirin Talfan Davies
 * Aneurin Hughes
 * Aneurin Livermore
 * Aneurin Owen (rugby union)
 * Aneurin Richards
 * Angel Romaeo
 * Angharad Price
 * Angharad ferch Llywelyn
 * Angharad ferch Meurig
 * Anglesey Coalfield
 * Anglesey League
 * Anglesey Mining
 * Anian II (bishop of St Asaph)
 * Anian I (bishop of St Asaph)
 * Ankst
 * Ann Dainton
 * Ann Davies (Welsh politician)
 * Ann Harriet Hughes
 * Anna Filbey
 * Anna Thomas (comedian)
 * Anne Adams
 * Anne Beauchamp, 15th Countess of Warwick
 * Anneliese Heard
 * Annie Davies
 * Annie Foulkes
 * Annie Powell
 * Anoma Sooriyaarachchi
 * Ansel Marshal
 * Anthony Hulme
 * Anthony Jones (priest)
 * Anthony Morgan of Marshfield and Casebuchan
 * Anthony O'Donnell (actor)
 * Anthony Pierce
 * Ar Lan y Môr
 * Aran Benllyn
 * Aran Volcanic Group
 * Arash Amel
 * Archibald Lush
 * Archie Bastock
 * Archie Hughes (rugby union)
 * Archives Wales
 * Ardal North Cup
 * Ardal South Cup
 * Arddlin
 * Arenig Fawr South Ridge Top
 * Arenig Fawr South Top
 * Arenig railway station
 * Arfon Gwilym
 * Arfon Haines Davies
 * Arfon Williams
 * Arfordir Abereiddi
 * Arfordir Gogleddol Penmon
 * Argoed, Caerphilly
 * Argoed, Flintshire
 * Argoed, Powys
 * Argoed railway station
 * Arise Evans
 * Armorial of local councils in Wales
 * Arnold Butler
 * Arofan
 * Aron ap Rhys
 * Arowry
 * Arthen ap Seisyll
 * Arthog
 * Arthog railway station
 * Arthur Bulkeley
 * Arthur Daniels
 * Arthur Davies (footballer)
 * Arthur Drabble
 * Arthur Evanson
 * Arthur Green (Welsh footballer)
 * Arthur Griffiths (cyclist)
 * Arthur Hickman
 * Arthur Howard Williams
 * Arthur Hughes (Welsh footballer)
 * Arthur Jones (footballer, born 1912)
 * Arthur Kelton
 * Arthur Lloyd (Welsh footballer)
 * Arthur Lloyd (rugby league)
 * Arthur Smith (Welsh footballer)
 * Arts Connect
 * Arwel Richards
 * Arwel Thomas
 * Asbri
 * Ashley Sweet
 * Ashley Williams (boxer)
 * Ashton Hewitt
 * Ashvale, Blaenau Gwent
 * Association of Welsh Translators and Interpreters
 * Aston Park, Flintshire
 * Atgof o'r Sêr
 * Athraw
 * Aubrey Hill (cricketer)
 * Audience Council Wales
 * Audrey Bates
 * Augustus Buckland
 * Austin Savage (field hockey)
 * Avon Inflatables
 * B4319 road
 * B4518 road
 * BAFTA Cymru
 * BBC Cymru Fyw
 * BBC One Wales
 * BT Tower (Swansea)
 * Babel, Carmarthenshire
 * Babell
 * Bachau
 * Bache Hill
 * Backe, Carmarthenshire
 * Bagillt railway station
 * Baglan Dragons F.C.
 * Baglan Sands Halt railway station
 * Baháʼí Faith in Wales
 * Bala (Penybont) railway station
 * Bala Fault
 * Baldwin de Boulers
 * Baldwins Halt railway station
 * Banc-y-Warren
 * Banc-y-môr
 * Banc Bugeilyn
 * Banc y Mwldan
 * Bancyfelin
 * Bandit (TV series)
 * Baner ac Amserau Cymru
 * Baner y Groes
 * Baneswell
 * Bangor-on-Dee railway station
 * Bangor Aberconwy (UK Parliament constituency)
 * Bangor Teifi
 * Bangor University F.C.
 * Bank of Wales
 * Bank of Williams and Rowland
 * Barbara Margaret Trimble
 * Bardsey Bird and Field Observatory
 * Bargoed railway station
 * Barmouth & Dyffryn United F.C.
 * Barmouth Bay
 * Barnardtown
 * Baron Mostyn
 * Baron of Cymmer-yn-Edeirnion
 * Barrack Hill
 * Barrie Evans
 * Barry (UK Parliament constituency)
 * Barry Clegg (rugby union)
 * Barry College
 * Barry Hospital
 * Barry Metcalf (cricketer)
 * Barry Pier railway station
 * Bassaleg School
 * Bastion Road
 * Bathafarn
 * Battle, Powys
 * Battle of Aberconwy
 * Battle of Bron yr Erw
 * Battle of Bryn Derwin
 * Battle of Cefn Digoll
 * Battle of Hereford
 * Battle of Llandeilo Fawr
 * Battle of Mechain
 * Battle of Pencon
 * Battle of Rhyd Y Groes
 * Battle of Tuthill
 * Bausley with Criggion
 * Baynham Hall
 * Beacon Hill, Powys
 * Beag Fair Siding railway station
 * Beaufort Theatre
 * Beaumaris Town F.C.
 * Beaver's Hill Halt railway station
 * Bedd Arthur
 * Bedd Taliesin
 * Beddau
 * Beddau Halt railway station
 * Beddgelert Fault
 * Beddgeraint
 * Bedlinog
 * Bedlinog railway station
 * Bedo Aeddren
 * Bedo Brwynllys
 * Bedo Hafesp
 * Bedo Phylip Bach
 * Bedwas railway station
 * Bedwellty (UK Parliament constituency)
 * Bedwellty Greyhound Track
 * Bedwyr Lewis Jones
 * Beechwood, Newport
 * Befis
 * Beggar's Bush, Powys
 * Belan, Powys
 * Beli ab Eiludd
 * Belle Vue, Rhyl
 * Belonging (TV series)
 * Ben Addis
 * Ben Cambriani
 * Ben Carter (rugby union)
 * Ben Castle (rugby union)
 * Ben Davies (Independent minister and author)
 * Ben Davies (poet)
 * Ben Jones (rugby union, born 1998)
 * Ben Lake
 * Ben Platt (cricketer)
 * Ben Thomas (rugby union)
 * Benjamin Alec Lewis
 * Benjamin Davies (Hebraist)
 * Benjamin Jones-Perrott
 * Benlli
 * Benton Fault
 * Bera Bach
 * Bera Mawr
 * Bernard Knight
 * Bernard Thomas
 * Berriew F.C.
 * Bert Cronin
 * Bert Lumberg
 * Bert Williams (footballer, born 1905)
 * Berthyfedwen
 * Bertie Lewis (priest)
 * Bertram Hughes
 * Berw Fault
 * Berw Road Halt railway station
 * Berwig Halt railway station
 * Berwyn, Denbighshire
 * Berwyn Rangers F.C.
 * Berwyn railway station
 * Beryl Hughes
 * Bethan Ellis Owen
 * Bethan Witcomb
 * Bethania, Ceredigion
 * Bethania Chapel, Aberdare
 * Bethesda Urban District
 * Bethesda branch line
 * Bethesda railway station
 * Bethlehem, Carmarthenshire
 * Betsan Llwyd
 * Bettisfield
 * Bettws Cedewain
 * Bettws RFC
 * Betty Gray
 * Betty Morgan (politician)
 * Betws, Carmarthenshire (electoral ward)
 * Betws-y-Coed F.C.
 * Betws Bledrws
 * Betws Garmon
 * Betws Gwerfil Goch
 * Betws Ifan
 * Betws yn Rhos
 * Beulah, Ceredigion
 * Beulah, Powys
 * Beulah Halt railway station
 * Bickerton Edwards
 * Bidofydd
 * Big Pit Halt railway station
 * Big Pool Wood
 * Bigyn (electoral ward)
 * Bill Evans (rugby union)
 * Bill Johnson (rugby league)
 * Bill Lanyon
 * Bill Morgan (rugby)
 * Bill Perry (rugby union)
 * Bill Sweet
 * Bill Thomas (priest)
 * Billy Bassett (Welsh footballer)
 * Billy Hole
 * Billy Hughes (footballer, born 1865)
 * Billy Matthews (footballer, born 1883)
 * Billy Matthews (footballer, born 1897)
 * Billy Mays (footballer)
 * Billy Poyntz
 * Billy Richards (footballer, born 1905)
 * Billy Thomas (rugby league)
 * Billy Williams (footballer, born 1896)
 * Birchgrove, Cardiff
 * Bishop's Wood
 * Bishop's messenger
 * Bishop Hedley High School
 * Bishop Vaughan Catholic School
 * Bishop of Llandaff Church in Wales High School
 * Bishop of Penrydd
 * Bishop of Swansea
 * Bishops Castle Town F.C.
 * Bishops Town
 * Bishpool
 * Black Lion Crossing Halt railway station
 * Black Mixen
 * Black Mountain South Top
 * Black Rock Halt railway station
 * Blackmill railway station
 * Blackpill railway station
 * Blackwood Bulldogs
 * Blaen-geuffordd
 * Blaen-pant
 * Blaen-y-Maes
 * Blaen-y-glyn
 * Blaen Celyn
 * Blaenau Gwent and Rhymney (UK Parliament constituency)
 * Blaenavon Low Level railway station
 * Blaenbedw Fawr
 * Blaenborthyn
 * Blaencediw Formation
 * Blaendare Road Halt railway station
 * Blaengarw railway station
 * Blaengwawr Comprehensive School
 * Blaengwynfi
 * Blaenhonddan
 * Blaenllechau
 * Blaenplwyf
 * Blaenrheidol
 * Blaenrhondda Road Cutting
 * Blaenrhondda railway station
 * Blaenycoed
 * Blaina & District Hospital
 * Bleddfa
 * Bleddyn Ddu
 * Bleddyn Fardd
 * Bleddyn Jones
 * Bledri
 * Bleiddwn
 * Blodau Yr Oes
 * Blodau cerdd
 * Blue Pool Bay
 * Boating Lake Park
 * Bob Colville
 * Bob Delyn a'r Ebillion
 * Bob Griffiths (priest)
 * Bob Kennard
 * Bob Lock
 * Bob Pugh
 * Bob Shaw (athlete)
 * Bobby Jones (rugby union)
 * Bod Deiniol Formation
 * Bodeidda Mudstone
 * Bodewryd
 * Bodfach
 * Bodfari
 * Bodfari railway station
 * Bodferin
 * Bodffordd
 * Bodlondeb Woods
 * Boduan
 * Bodwyn
 * Bon-y-maen
 * Boncath railway station
 * Bonedd y Saint
 * Bont Dolgadfan
 * Bont F.C.
 * Bont Fawr
 * Bont Goch
 * Bont Newydd railway station
 * Bontddu
 * Bontnewydd, Ceredigion
 * Bontnewydd, Gwynedd
 * Bontnewydd railway station
 * Bontuchel
 * Bonwm Halt railway station
 * Bonymaen Broncos
 * Book of Aneirin
 * Book of Cynog
 * Borras Park
 * Borras Park Albion F.C.
 * Borth United F.C.
 * Borth railway station
 * Borthwnog
 * Bosherston Lakes
 * Boss Brewing
 * Botany Bay, Monmouthshire
 * Botwnnog
 * Boughrood
 * Boughrood & Llyswen railway station
 * Boughrood Brest
 * Bow Street railway station
 * Boyd Clack
 * Bracelet Bay
 * Bradley Park Rangers F.C.
 * Bragod
 * Braint
 * Brandy Cove
 * Brandy Hill, Wales
 * Branwen (film)
 * Branwen Gwyn
 * Breaksea Point
 * Brechfa Forest Wind Farm
 * Brecknock Rural District
 * Brecknock Society and Museum Friends
 * Brecon, Radnor and Cwm Tawe (UK Parliament constituency)
 * Breidden railway station
 * Bretton Bridge
 * Bretton Hall, Flintshire
 * Brian James (priest)
 * Brian Jarvis
 * Brian Jones (rugby union)
 * Brian Lewis (cricketer)
 * Bridge End Inn
 * Bridge FM (Wales)
 * Bridgend Industrial Estate
 * Bridgend railway station (L&OG)
 * Bristol Channel Fault Zone
 * Brithdir, Caerphilly
 * Brithdir, Ceredigion
 * Brithdir, Gwynedd
 * Brithdir, Powys
 * Brithdir and Llanfachreth
 * Brithdir railway station
 * British Association of International Mountain Leaders
 * British Coastal Deposits Group
 * British Rhondda Halt railway station
 * British Steel (Port Talbot) Golf Club
 * Briton Ferry Athletic F.C.
 * Briton Ferry East railway station
 * Briton Ferry Llansawel A.F.C.
 * Briton Ferry RFC
 * Briton Ferry Road railway station
 * Briton Ferry West railway station
 * Bro Aberffraw
 * Bro Cernyw F.C.
 * Bro Garmon
 * Bro Goronwy F.C.
 * Broad Oak and Thornhill Meadows
 * Broad Water
 * Broadfield, Pembrokeshire
 * Brockweir Halt railway station
 * Broginin
 * Bronaber
 * Bronant
 * Brondyffryn Trust
 * Brongest
 * Bronglais Hospital
 * Brongwyn
 * Bronington
 * Bronnant Fault
 * Bronydd Formation
 * Brook Street Halt railway station
 * Broughton, Vale of Glamorgan
 * Broughton & Bretton railway station
 * Broughton Hall, Flintshire
 * Broughton and Bretton
 * Brown Lenox & Co Ltd
 * Brut y Saeson
 * Bryan D. White
 * Bryan Williams (priest)
 * Brymbo West Crossing Halt railway station
 * Brymbo railway station (Great Central Railway)
 * Brymbo railway station (Great Western Railway)
 * Bryn, Llanelli
 * Bryn-Celynog Halt railway station
 * Bryn Alyn
 * Bryn Cader Faner
 * Bryn Celyn
 * Bryn Celynnog Comprehensive School
 * Bryn Day
 * Bryn Du
 * Bryn Eryr
 * Bryn Euryn
 * Bryn Hafod
 * Bryn Hynod Halt railway station
 * Bryn Offa
 * Bryn Rovers A.F.C.
 * Bryn Siltstone
 * Bryn railway station (Glamorgan)
 * Bryn yr Ŵyn
 * Brynafan
 * Brynamman East railway station
 * Brynamman West railway station
 * Bryncarnau Grasslands, Llwydcoed
 * Bryncethin
 * Bryncoch
 * Bryncoch North
 * Bryncroes
 * Bryncrug
 * Bryndioddef-isaf
 * Bryneglwys
 * Bryneglwys Fault
 * Brynford
 * Bryngolau
 * Bryngwran Bulls F.C.
 * Bryngwyn
 * Bryngwyn, Ceredigion
 * Bryngwyn Comprehensive School
 * Bryngwyn Halt railway station
 * Brynhoffnant
 * Brynhyfryd, Swansea
 * Brynkir railway station
 * Brynmawr Foundation School
 * Brynmawr Urban District
 * Brynmenyn railway station
 * Brynmill railway station
 * Brynna a Wern Tarw
 * Brynrefail
 * Brynsadler
 * Bryntail lead mine
 * Brynteg, Anglesey
 * Brynteg, Wrexham
 * Bryn–bach, Cefn Cribwr
 * Buckland Coach House & Ice House
 * Buckley Claypits and Commons
 * Builth Volcanic
 * Builth Wells F.C.
 * Builth Wells RFC
 * Builth Wells Urban District
 * Builth Wells railway station
 * Bull Bay, Anglesey
 * Bulmore
 * Burgedin
 * Burrium
 * Burry Holms
 * Burry Inlet and Loughor Estuary
 * Burry Port (electoral ward)
 * Burry Port RFC
 * Burry Port railway station
 * Burton's, Abergavenny
 * Burton, Wrexham
 * Burton (Pembrokeshire electoral ward)
 * Burwen
 * Bute Dock Police
 * Bute Town
 * Butetown railway station
 * Buttington
 * Buttington railway station
 * Bwlchyfadfa
 * Bwletin Cymdeithas Emynau Cymru
 * Bwrdd Arthur
 * Bye-gones
 * Bylchau
 * Bynea
 * Bynea railway station
 * C.P.D. Caer Clwyd
 * C.P.D. Gwalchmai
 * C.P.D. Y Rhyl 1879
 * C.P.D. Yr Wyddgrug
 * CEWC-Cymru
 * CF99
 * CK Swiss Valley A.F.C.
 * CWFA Challenge Cup
 * Cadair Bronwen
 * Cadair Ifan Goch
 * Cadell Ddyrnllwg
 * Cadell ap Brochfael
 * Cadell ap Rhodri
 * Cader
 * Cadfarch
 * Cadoxton, Vale of Glamorgan
 * Cadoxton Terrace Halt railway station
 * Cadwalader's Ice Cream
 * Cadwalader Hughes
 * Cadwaladr Cesail
 * Cadwaladr Price
 * Cadwaladr ap Rhys Trefnant
 * Cadwgan Delynor
 * Cadwgan Ffôl
 * Cadwgan ab Owain
 * Cadwgan ap Meurig
 * Cae-y-Castell
 * Cae Blaen-dyffryn
 * Cae Cilmaenllwyd
 * Cae Cwm-tywyll
 * Cae Gwernllertai
 * Cae Gwyn SSSI
 * Cae Gwynfryn
 * Cae Maes-y-ffynnon
 * Caeathro
 * Caeau Afon Gwili
 * Caeau Blaen-yr-Orfa
 * Caeau Blaenau-mawr
 * Caeau Bronydd-mawr
 * Caeau Capel Hendre
 * Caeau Caradog
 * Caeau Cefn Cribwr
 * Caeau Cnwch a Ty'n-y-graig
 * Caeau Heol y Llidiart-coch
 * Caeau Llety-cybi
 * Caeau Nant Garenig
 * Caeau Nant y Llechau
 * Caeau Nantsais
 * Caeau Pen-y-coed
 * Caeau Rhyd-y-gwiail
 * Caeau Tir-mawr
 * Caeau Ty'n-llwyni
 * Caegarw
 * Caehopkin
 * Caemorgan
 * Caer Gybi (fort)
 * Caer Sidi
 * Caerau, Anglesey
 * Caerau, Bridgend
 * Caerau railway station
 * Caereinion
 * Caerfarchell
 * Caergeiliog
 * Caerleon Bridge
 * Caerleon Tramroad
 * Caerleon Urban District
 * Caernarfon Airworld Aviation Museum
 * Caernarfon Bay
 * Caerphilly District Miners Hospital
 * Caerphilly F.C.
 * Caerphilly Golf Club
 * Caersws Roman Forts
 * Caerwedros
 * Caerwedros (commote)
 * Caerwys Rectory
 * Caerwys Tufa
 * Caerwys railway station
 * Cafnan
 * Cai Evans
 * Caim, Anglesey
 * Caine Woolerton
 * Caio, Carmarthenshire
 * Calan (band)
 * Calcoed
 * Caldicot Hundred
 * Caledonia Glacigenic Group
 * Calendar of saints (Church in Wales)
 * Callum Carson
 * Callum Taylor (Welsh cricketer)
 * Callum Williams
 * Calvert Jones
 * Cambria (journal)
 * Cambrian Caving Council
 * Cambrian Law Review
 * Camddwr
 * Camddwr, Teifi
 * Cameleon (film)
 * Cameron Evans
 * Cameron Herring
 * Cameron Winnett
 * Cameron Wright (weapons scientist)
 * Camnant Mudstone
 * Canolbarth Môn
 * Canovium
 * Canton F.C.
 * Cantonian High School
 * Cantref Llŷn
 * Cantref Mawr
 * Capel Bangor
 * Capel Betws Lleucu
 * Capel Celyn Halt railway station
 * Capel Coch
 * Capel Dewi, Carmarthenshire
 * Capel Dewi, Faenor
 * Capel Dewi, Llandysul
 * Capel Garmon
 * Capel Gwyn
 * Capel Mawr
 * Capel Parc
 * Capel Salem, Pwllheli
 * Capel Tygwydd
 * Capel Y Crwys
 * Capital Cymru
 * Capitol Theatre, Cardiff
 * Caradog (Griffith Rhys Jones)
 * Caradog Falls Halt railway station
 * Cardiff-Newport metropolitan area
 * Cardiff (UK Parliament constituency)
 * Cardiff Arena
 * Cardiff Bay Retail Park
 * Cardiff Celts
 * Cardiff Celts Volleyball Club
 * Cardiff City F.C. (women)
 * Cardiff Crockherbtown railway station
 * Cardiff Draconians F.C.
 * Cardiff Film Festival
 * Cardiff Horse Show
 * Cardiff Huskies
 * Cardiff Marathon
 * Cardiff North West (UK Parliament constituency)
 * Cardiff Parkrun
 * Cardiff Parkway railway station
 * Cardiff RLFC
 * Cardiff Reform Synagogue
 * Cardiff Riverside Branch
 * Cardiff Sevens
 * Cardiff South (UK Parliament constituency)
 * Cardiff South East (UK Parliament constituency)
 * Cardiff and Vale College
 * Cardigan County School
 * Cardinal Newman Roman Catholic School, Rhydyfelin
 * Cardonnel Halt railway station
 * Cariad Cywir
 * Carissa Turner
 * Carlyle Witton-Davies
 * Carmarthen Cemetery Chapel
 * Carmarthen Grammar School
 * Carmarthen Group
 * Carmarthen Journal
 * Carmarthen Park
 * Carmarthen Public Rooms
 * Carmarthen Quins RFC
 * Carmarthen Rural District
 * Carmarthen Weekly Reporter
 * Carmarthenshire (UK Parliament constituency)
 * Carmarthenshire County Museum
 * Carmarthenshire Railway
 * Carmel, Anglesey
 * Carmel, Carmarthenshire
 * Carmel, Flintshire
 * Carmel, Gwynedd
 * Carmel Head
 * Carmel Head Thrust
 * Carn Fadryn
 * Carn Gafallt
 * Carn Ingli
 * Carnarvon Ironopolis F.C.
 * Carnedd Iago Formation
 * Carnedd Llechwedd-llyfn
 * Carnedd y Ddelw
 * Carnedd y Filiast (Cerrigydrudion)
 * Carnedd y Filiast (Glyderau)
 * Carnetown
 * Carnguwch
 * Carno
 * Carol Evans
 * Caroline Catharine Wilkinson
 * Caroline Emily Nevill
 * Carreg Cennan
 * Carreg Coetan Arthur
 * Carreg yr Halen
 * Carreg yr Imbill
 * Carreghofa
 * Carreghofa Halt railway station
 * Carreglefn
 * Carrick McDonough
 * Carrog
 * Carrog, Anglesey
 * Carrog railway station
 * Carway
 * Carwyn Ellis
 * Carwyn Jones (rugby union)
 * Carwyn Penny
 * Carwyn Tuipulotu
 * Caryl Parry Jones
 * Carys Parry
 * Carys Phillips
 * Cascob
 * Casnodyn
 * Cassia Pike
 * Castell Cawr
 * Castell Deudraeth
 * Castell Madoc
 * Castell y Gwynt
 * Castellior
 * Castle Caereinion railway station
 * Castle Cinema
 * Castle Farmhouse, St Georges-super-Ely
 * Castle Hill, Ceredigion
 * Castle Hotel, Aberaeron
 * Castle House, Laugharne
 * Castle Park, Caerphilly
 * Castlebythe Halt railway station
 * Castlemartin Corse
 * Castlemartin Hundred
 * Castleton, Newport
 * Cat's Ash
 * Catbrook
 * Cathays Methodist Church
 * Cathedral Road, Cardiff
 * Catherine Prichard
 * Cathinog Hundred
 * Cathy Dawson
 * Catnic
 * Catrin Jones
 * Catrin ferch Owain Glyndŵr
 * Cayo Hundred
 * Cebur
 * Cecil Smith (footballer, born 1904)
 * Ceffyl Dŵr
 * Ceffyl Pren
 * Cefn, Wrexham
 * Cefn-cerig road
 * Cefn-y-Llwyd
 * Cefn-y-bedd
 * Cefn Caves
 * Cefn Coch
 * Cefn Coed Colliery Halt railway station
 * Cefn Coed railway station
 * Cefn Cribwr F.C.
 * Cefn Croes Wind Farm
 * Cefn Fforest
 * Cefn Glas
 * Cefn Gwlad
 * Cefn Gwyntog
 * Cefn Hengoed
 * Cefn Hengoed, Swansea
 * Cefn Llechid
 * Cefn Mably House
 * Cefn Meadow
 * Cefn Rhigos
 * Cefn railway station
 * Cefn yr Ogof
 * Cefnddwysarn
 * Cefneithin
 * Cefntilla Halt railway station
 * Ceibwr Bay Fault
 * Ceidio
 * Ceiniog
 * Ceint railway station
 * Ceiriog Rural District
 * Ceiswyn Formation
 * Ceitho
 * Celtic Blue Rock Community Arts Festival
 * Celtic Trail cycle route
 * Celtic Weekly Newspapers
 * Celtic rainforest
 * Celynen North Halt railway station
 * Cemais (Anglesey)
 * Cemlyn
 * Cemmaes
 * Cemmaes Road
 * Cenarth Falls
 * Ceneu
 * Cennad
 * Cennych
 * Cennydd Traherne
 * Central Wales Football League
 * Central Wales Lineament
 * Cerddor y Tonic Sol-ffa
 * Ceredigion (journal)
 * Ceredigion Historical Society
 * Ceredigion League
 * Ceredigion Museum
 * Ceredigion Preseli (UK Parliament constituency)
 * Ceri Dallimore
 * Ceri Holland
 * Ceri Sherlock
 * Cerist railway station
 * Cernydd Carmel
 * Cerrig Mân
 * Cerrigceinwen
 * Cestyll Garden
 * Ceulanamaesmawr
 * Ceunant Cynfal National Nature Reserve
 * Ceunant Llennyrch National Nature Reserve
 * Champion Beer of Wales
 * Chancery, Ceredigion
 * Change, Grow, Live
 * Charles Cecil (bishop)
 * Charles Coltman-Rogers
 * Charles Conde
 * Charles Dale
 * Charles Davies (Baptist minister)
 * Charles Edwards (footballer)
 * Charles Griffith (priest)
 * Charles Horace Watkins
 * Charles Kemeys-Tynte, 8th Baron Wharton
 * Charles Ketley
 * Charles Lawrence, 2nd Baron Trevethin
 * Charles Lewis (priest)
 * Charles Norris (etcher)
 * Charles Prestwood Lucas
 * Charles Price (Welsh politician)
 * Charles Roberts (priest)
 * Charles Thomas (footballer)
 * Charlie Caton
 * Charlie Dyke
 * Charlie Estcourt
 * Charlie Faulkner
 * Charlie Smith (footballer)
 * Charlotte Williams-Wynn (aristocrat)
 * Charlotte Wingfield
 * Charubel
 * Che Hope
 * Cheetah Marketing
 * Chelsea Lewis (netball)
 * Chem Campbell
 * Chepstow Rural District
 * Chief Coroner of England and Wales
 * Chirk AAA F.C.
 * Chirk Rural District
 * Chirk Town F.C.
 * Chirkland
 * Chloe Bull
 * Chloe Chivers
 * Chloé Tutton
 * Chris Birch (stroke survivor)
 * Chris Bridges
 * Chris Davies (Conservative politician)
 * Chris Fry (footballer)
 * Chris Potter (priest)
 * Chris Riley (Welsh footballer)
 * Chris Smith (priest)
 * Chris Stephens (rugby union)
 * Chris Wells (curler)
 * Christ Church, Bala
 * Christ Church, Carmarthen
 * Christ Church, Radyr
 * Christ College, Brecon
 * Christian Purslow
 * Christina Booth
 * Christine Evans
 * Christine Humphreys
 * Christopher Flynn
 * Christopher Gwynne Lewis
 * Christopher Mends
 * Christopher Salmon
 * Church Village Halt railway station
 * Church of St Michael and All Angels, Forden
 * Churchstoke F.C.
 * Chwalfa
 * Chwarel Pant Glas
 * Chwarel Singret
 * Chwilog railway station
 * Cil-y-groeslwyd Woods, Eyarth Woods & Rocks & Craig Adwy-wynt
 * Cilcain Hall
 * Cilfrew railway station
 * Cilfynydd railway station
 * Ciliau Aeron
 * Cilmeri
 * Cilmeri railway station
 * Cilycwm
 * Cilycwm (electoral ward)
 * Cim, Caernarfonshire
 * Cissy Davies
 * City, Vale of Glamorgan
 * Civic Trust for Wales
 * Civil Aid Voluntary Rescue Association
 * Claerwen
 * Claerwen Fault
 * Claire Evans
 * Claire Summers
 * Clarach Bay
 * Clarence Road railway station
 * Clarenceux King of Arms
 * Clark Shiels
 * Clase
 * Clatter, Powys
 * Clawdd Poncen
 * Clawddnewydd
 * Clayton Thomas
 * Cledan Mears
 * Cliff Lloyd
 * Cliff Williams (rugby, born 1939)
 * Cliff Wood – Golden Stairs
 * Clifford Dyment
 * Clifford Lloyd
 * Clipyn Du
 * Clocaenog
 * Clogau Quarry
 * Cloten of Dyfed and Brycheiniog
 * Cloy Brook Pastures
 * Cloy Halt railway station
 * Clwyd-Powys Archaeological Trust
 * Clwyd County Council
 * Clwyd East (UK Parliament constituency)
 * Clwyd North (UK Parliament constituency)
 * Clwyd North West (UK Parliament constituency)
 * Clydach-on-Tawe railway station
 * Clydach (electoral ward)
 * Clydach Court Halt railway station
 * Clydau (electoral ward)
 * Clydwyn
 * Clyne, Neath Port Talbot
 * Clyne Halt railway station
 * Clyro
 * Clytha
 * Clywedog Trail
 * Cnap Twt
 * Cneppyn Gwerthrynion
 * Cnicht
 * Cnicht North Top
 * Coal Face
 * Cochwillan
 * Cockshead
 * Coed-Ely
 * Coed-y-Cerrig National Nature Reserve
 * Coed-y-bryn
 * Coed-y-paen
 * Coed Camlyn National Nature Reserve
 * Coed Cwm Clettwr
 * Coed Cymerau National Nature Reserve
 * Coed Dolgarrog National Nature Reserve
 * Coed Ely railway station
 * Coed Eva
 * Coed Ganllwyd National Nature Reserve
 * Coed Gorswen National Nature Reserve
 * Coed Gwempa
 * Coed Llandyfan
 * Coed Morgan
 * Coed Nant Menascin
 * Coed Poeth railway station
 * Coed Rheidol National Nature Reserve
 * Coed Talon
 * Coed Talon Marsh
 * Coed Talon railway station
 * Coed Tremadog National Nature Reserve
 * Coed y Bwl
 * Coed y Ciliau
 * Coed y Crychydd
 * Coed y Garth, Ceredigion
 * Coed y Gopa
 * Coed y Rhygen National Nature Reserve
 * Coedana
 * Coedcae School
 * Coedffranc
 * Coedffranc Central
 * Coedkernew
 * Coedmor National Nature Reserve
 * Coedpenmaen
 * Coedpenmaen railway station
 * Coedydd Aber National Nature Reserve
 * Coedydd Capel Dyddgen
 * Coedydd Dyffryn Alwen
 * Coedydd Maentwrog National Nature Reserve
 * Coedydd y Garn
 * Coedyfoel
 * Coedymwstwr Woodlands
 * Coelbren, Powys
 * Coetan Arthur
 * Coetmor
 * Cog Moors
 * Cold Knap
 * Coldra
 * Coleford railway station
 * Coleg Ceredigion
 * Coleg Elidyr
 * Coleg Gwent
 * Coleg Harlech
 * Coleg Meirion-Dwyfor
 * Coleg Menai
 * Coleg Morgannwg
 * Coleg Powys
 * Coleshill, Flintshire
 * Colin Jones (boxer)
 * Colin Standing
 * Colin Treharne
 * Coliseum Theatre (Aberdare)
 * Colston, Pembrokeshire
 * Colwyn Castle
 * Colwyn Rural District
 * Coming Home (British TV series)
 * Coming Up Roses (1986 film)
 * Comins Coch
 * Commercial Street Platform railway station
 * Commins, Denbighshire
 * Commins Coch
 * Commins Coch Halt railway station
 * Commissioner for Older People (Wales) Act 2006
 * Compendium Competorum
 * Compurgation
 * Connah's Quay High School
 * Connah's Quay Ponds and Woodland
 * Connah's Quay Town Football Club
 * Connah's Quay railway station
 * Connor Brown (cricketer)
 * Connor Edwards
 * Connor Farrer
 * Contention of the Bards in Gwynedd
 * Conway Marsh railway station
 * Conway Rees
 * Conway Street drill hall, Brecon
 * Conway baronets
 * Conwy Valley Railway Museum
 * Conybeare Bruce
 * Cook's Bridge, Rossett
 * Corey Baldwin
 * Cornelly
 * Cornist Hall
 * Corris Railway Grand Tour
 * Corris Uchaf
 * Cors Bodeilio National Nature Reserve
 * Cors Bryn-y-Gaer
 * Cors Dyfi nature reserve
 * Cors Erddreiniog National Nature Reserve
 * Cors Farlais
 * Cors Geirch National Nature Reserve
 * Cors Goch National Nature Reserve (Anglesey)
 * Cors Goch National Nature Reserve (Llanllwch)
 * Cors Nantcwnlle
 * Cors y Llyn National Nature Reserve
 * Corsydd Llangloffan
 * Corsydd a Rwyth Cilyblaidd
 * Corwen railway station
 * Coryton, Cardiff
 * Coryton Line
 * County Hospital, Torfaen
 * County Observer and Monmouthshire Central Advertiser
 * County Voluntary Council
 * Court Sart railway station
 * Court leet
 * Courtney Davies
 * Covenant Society of the Free Welsh
 * Cowbridge (Roman town)
 * Cowbridge Road East
 * Cowbridge Road West
 * Cowbridge with Llanblethian
 * Cradoc, Powys
 * Cradoc railway station
 * Crai, Powys
 * Crai (village)
 * Crai Reservoir
 * Craig-cefn-parc
 * Craig-y-llyn
 * Craig-y-nos railway station
 * Craig-y-penrhyn
 * Craig-y-pistyll
 * Craig Barnsley
 * Craig Cerrig-gleisiad
 * Craig Cerrig-gleisiad and Fan Frynych National Nature Reserve
 * Craig Cwm Amarch
 * Craig Cwm Silyn
 * Craig Cywarch
 * Craig Ddu–Wharley Point Cliffs
 * Craig Eigiau
 * Craig Evans (Welsh cricketer)
 * Craig Evans (rugby union referee)
 * Craig Goch Dam
 * Craig Gwaun Taf
 * Craig Hawkins
 * Craig Pilling
 * Craig Pont Rhondda
 * Craig Rhos-y-felin
 * Craig Williams (British politician)
 * Craig y Cilau
 * Craig y Forwyn (Denbighshire)
 * Craiglon Bridge Halt railway station
 * Craiglwyn
 * Craigysgafn
 * Cray railway station
 * Creation Management
 * Creigiau Gleision North Top
 * Creigiau railway station
 * Cremlyn
 * Cresswell Castle
 * Crest Mawr Wood
 * Creuddyn, Ceredigion
 * Creuddyn Peninsula
 * Crew Green railway station
 * Crib-y-rhiw
 * Cribarth Disturbance
 * Cribin Fawr
 * Cribyn
 * Criccieth Golf Course
 * Criccieth Urban District
 * Crickhowell High School
 * Criggion
 * Criggion railway station
 * Crime and disorder reduction partnership
 * Crindau
 * Crindau Marina
 * Cristiolus
 * Cristion
 * Croes-lan
 * Croesor
 * Croespenmaen
 * Cromlech, Anglesey
 * Cronicl (Llanbrynmair)
 * Cronicl y Cerddor
 * Cronicl y Cymdeithasau Crefyddol
 * Cronicl yr Ysgol Sabbothol
 * Cross Ash
 * Cross Hands
 * Cross Inn
 * Cross Inn, Llantrisant
 * Cross Inn railway station
 * Crossgates, Powys
 * Crossgates Coaches
 * Crosskeys College
 * Crossway, Monmouthshire
 * Crow Rock
 * Cruciform passage grave
 * Crucorney
 * Crug Eryr Castle
 * Crug Hywel
 * Crugyreryr
 * Crumlin railway station (Wales)
 * Crwst
 * Crwys Road railway station
 * Crychan Forest Tracks
 * Crychan Formation
 * Crynant New Colliery Halt railway station
 * Crynfryn
 * Culturenet Cymru
 * Cuneglasus
 * Custos Rotulorum of Anglesey
 * Custos Rotulorum of Caernarvonshire
 * Custos Rotulorum of Cardiganshire
 * Custos Rotulorum of Monmouthshire
 * Custos Rotulorum of Radnorshire
 * Cwar Glas Quarry and Sawdde Gorge
 * Cwm, Denbighshire
 * Cwm-Hwnt
 * Cwm-y-Glo railway station
 * Cwm Bach, Sychpant
 * Cwm Bargoed railway station
 * Cwm Cadlan
 * Cwm Caseg
 * Cwm Clydach, Kidwelly
 * Cwm Craig-ddu Quarry
 * Cwm Crymlyn Road Section
 * Cwm Cydfin, Leckwith
 * Cwm Cyffog
 * Cwm Dewi
 * Cwm Doethie – Mynydd Mallaen
 * Cwm Du Woodlands
 * Cwm Felin Boeth Formation
 * Cwm Glo
 * Cwm Llwyd Fault
 * Cwm Nantcol
 * Cwm Penmachno
 * Cwm Pennant Fault
 * Cwm Risca Meadow
 * Cwm Silicon
 * Cwm Taf Fechan Woodlands
 * Cwm Wanderers A.F.C.
 * Cwm yr Abbey Stream Section
 * Cwmaman Colliery Halt railway station
 * Cwmaman Crossing Halt railway station
 * Cwmann
 * Cwmavon Glam railway station
 * Cwmbach
 * Cwmbach, Carmarthenshire
 * Cwmbach railway station
 * Cwmbran Central
 * Cwmbran High School
 * Cwmbran Stadium
 * Cwmbrwyno
 * Cwmcarn railway station
 * Cwmcarnhywel
 * Cwmcarvan
 * Cwmcoednerth
 * Cwmdauddwr
 * Cwmdu, Swansea
 * Cwmdu railway station
 * Cwmduad
 * Cwmfelin
 * Cwmfelinfach
 * Cwmffrwd
 * Cwmffrwd Halt railway station
 * Cwmffrwdoer Halt railway station
 * Cwmgiedd
 * Cwmllynfell
 * Cwmllynfell railway station
 * Cwmneol Halt railway station
 * Cwmpennar
 * Cwmrhyd-y-Gau Halt railway station
 * Cwmrhydyceirw
 * Cwmsychbant
 * Cwmsyfiog Halt railway station
 * Cwmsymlog
 * Cwmtawe Community School
 * Cwmtwrch RFC
 * Cwmwysg
 * Cwmynyscoy
 * Cwmystwyth
 * Cwrt-y-Gollen
 * Cwrt Herbert
 * Cwrtnewydd
 * Cy Thomas
 * Cycling at the 1958 British Empire and Commonwealth Games – Men's individual pursuit
 * Cyfaill Deoniaeth Llanbadarn Fawr
 * Cyfaill o'r Hen Wlad yn America
 * Cyfarthfa
 * Cyffylliog
 * Cyfrinach y Bedyddwyr
 * Cyfronydd Hall
 * Cyfronydd railway station
 * Cyfrwy
 * Cyfyw
 * Cylch-grawn Cynmraeg
 * Cyledr Wyllt
 * Cymau
 * Cymdeithas Edward Llwyd
 * Cymdeithas Lyfrau Ceredigion
 * Cymdeithas y Dysgwyr
 * Cymer Abbey
 * Cymerig Limestone
 * Cymmer Afan railway station
 * Cymmer Corrwg railway station
 * Cymru Alliance League Cup
 * Cymyran Strait
 * Cynan Nant Nyfer
 * Cynan ap Hywel
 * Cynan ap Maredudd
 * Cynffig
 * Cynffig/Kenfig SSSI
 * Cynfrig ap Madog
 * Cynghordy
 * Cynghordy railway station
 * Cynhaiarn
 * Cynheidre Colliery
 * Cynllaith
 * Cynllo
 * Cynnull-mawr
 * Cynonville Halt railway station
 * Cynwyd, Denbighshire
 * Cynwyd Forest Quarry
 * Cynwyd railway station (Wales)
 * Cynwyl Elfed
 * Cynwyl Elfed (electoral ward)
 * Cynwyl Gaeo
 * Cynwyl Gaeo (electoral ward)
 * Cyril John Harvey
 * Cyril Jones (footballer)
 * Cyril Le Marquand
 * Cyril Trailor
 * Cyril the Swan
 * Cyrn Formation
 * Cytgan
 * Cytir Mawr
 * Cytûn
 * Cywarch
 * Cywydd
 * D. Ben Rees
 * D. C. Harries
 * D. Huw Owen
 * Dafen, Carmarthenshire
 * Dafen (electoral ward)
 * Dafydd Alaw
 * Dafydd Bach ap Madog Wladaidd
 * Dafydd Baentiwr
 * Dafydd Benfras
 * Dafydd Benwyn
 * Dafydd Cadwaladr
 * Dafydd Ddu o Hiraddug
 * Dafydd Emlyn
 * Dafydd Epynt
 * Dafydd Fynglwyd
 * Dafydd Glyn Dyfrdwy
 * Dafydd Glyn Jones
 * Dafydd Goch Brydydd o Fuallt
 * Dafydd Gorlech
 * Dafydd Ieuan
 * Dafydd Ifans
 * Dafydd Jenkins (rugby union)
 * Dafydd Llwyd ap Dafydd ab Einion ap Hywel
 * Dafydd Llyfni
 * Dafydd Offeiriad
 * Dafydd Roberts
 * Dafydd Trefor
 * Dafydd ab Ieuan ab Iorwerth
 * Dafydd ab Owain (bishop)
 * Dafydd ap Bleddyn
 * Dafydd ap Dafydd Llwyd
 * Dafydd ap Gruffydd (poet)
 * Dafydd ap Harri Wyn
 * Dafydd ap Huw'r Gof
 * Dafydd ap Hwlcyn ap Madog
 * Dafydd ap Hywel Grythor
 * Dafydd ap Ieuan Llwyd
 * Dafydd ap Ieuan ab Owen
 * Dafydd ap Llywelyn ap Madog
 * Dafydd ap Maredudd Glais
 * Dafydd ap Maredudd ab Ednyfed
 * Dafydd ap Maredudd ap Tudur
 * Dafydd ap Phylip ap Rhys
 * Dafydd ap Rhys O Fenai
 * Dafydd y Coed
 * Dai Astley
 * Dai Bevan
 * Dai Collier
 * Dai Hopkins (footballer, born 1902)
 * Dai Lawrence
 * Dai Lewis (footballer)
 * Dai Llwyd
 * Dai Maesmor
 * Dai Powell
 * Dai Rees (rugby, born c. 1885)
 * Dai Thomas (footballer, born 1926)
 * Dail Glaswellt
 * Daily Post (North Wales)
 * Dal: Yma/Nawr
 * Dal Ati
 * Dan-Lan-Y-Castell Quarry
 * Dan Edwards (rugby union)
 * Dan Isaac Davies
 * Dan Newton
 * Daniel Davies (bishop)
 * Daniel Davies (physician, born 1899)
 * Daniel Font
 * Daniel John Davies
 * Daniel Lewis Lloyd
 * Daniel Pearson (cyclist)
 * Daniel Price (priest)
 * Daniel ap Llosgwrn Mew
 * Danycoed Halt railway station
 * Danygraig Halt railway station
 * Daren
 * Daren Fach
 * Daren y Dimbath
 * Darius Jokarzadeh
 * Dark Horse: The Incredible True Story of Dream Alliance
 * Darland High School
 * Darlunydd
 * Darran Valley
 * Darren Waters
 * Datblygu
 * Dave Campbell (Welsh footballer)
 * Dave Jones (footballer, born 1932)
 * David Archard Williams
 * David Bartlett (bishop)
 * David Blodwell
 * David Bowen, Felinfoel
 * David Bowen (pathologist)
 * David Bryant (rugby union)
 * David Bryn-Jones
 * David Burcher
 * David Charles (minister)
 * David Christopher Davies
 * David Christopher Davies (missionary)
 * David D'Auria
 * David Daron
 * David Davies (Baptist minister)
 * David Davies (Dean of Wellington)
 * David Davies (Independent minister and magazine editor)
 * David Davies (Welsh priest)
 * David Davies (archdeacon of Llandaff)
 * David Davies (composer)
 * David Davies (harpist)
 * David Davies (physician)
 * David Davies (rugby league, born c. 1915)
 * David Davis (Castellhywel)
 * David Edwardes (deputy herald)
 * David Edwardes Davies
 * David Edwards (footballer, born 1934)
 * David Emrys Lewis
 * David Evans (MP for Cardiff)
 * David Evans (archdeacon of St Asaph)
 * David Evans (rugby union)
 * David Glyn Bowen
 * David Griffith (Clwydfardd)
 * David Griffiths (archdeacon of Monmouth)
 * David Griffiths (sport shooter)
 * David Herbert Lloyd
 * David Howell (priest)
 * David Jacobs (Welsh athlete)
 * David James Jenkins
 * David John Davies
 * David John Hayward
 * David John Sully
 * David Jones (antiquary, fl. 1560–1590)
 * David Jones (antiquary, fl. 1750–1780)
 * David Jones (archdeacon of Carmarthen)
 * David Jones (footballer, born 1910)
 * David Jones (footballer, born 1952)
 * David Joshua Davies
 * David Lambert (footballer)
 * David Lee (archdeacon of Llandaff)
 * David Lewis (British MP)
 * David Lewis Davies
 * David Lewis Jones
 * David Lloyd (biographer)
 * David Lloyd (tenor)
 * David Lloyd George, 2nd Viscount Tenby
 * David Maddocks
 * David Maurice
 * David Morral Lewis
 * David Morris (footballer, born 1957)
 * David Morris (priest)
 * David Murray (1748–1794)
 * David Nicholas (rugby union)
 * David O'Dowd
 * David Owen (Dewi Wyn o Eifion)
 * David Parry-Jones
 * David Parry (scholar)
 * David Phelps (sport shooter)
 * David Pugh (footballer, born 1947)
 * David Reece (bishop)
 * David Rees-Williams, 1st Baron Ogmore
 * David Rees (British cross-country skier)
 * David Richards (footballer, born 1910)
 * David Richards (rugby union, born 1999)
 * David Roberts (priest)
 * David Stephen Davies
 * David Thaxton
 * David Thomas (Dewi Hefin)
 * David Thomas (archdeacon of Cardigan)
 * David Thomas (archdeacon of Gower)
 * David Thomas (bishop)
 * David Thomas (composer)
 * David Thomas (field hockey)
 * David Thomas Davies
 * David Watcyn Morgan
 * David Waters (rugby union)
 * David Weatherley (rugby union)
 * David Williams (Archdeacon of St Davids)
 * David Williams (Methodist minister, born 1877)
 * David Williams (businessman, born 1969)
 * David Williams (historian)
 * David Williams (minister, born 1709)
 * David Williams (priest, born 1841)
 * David Williams (priest, born 1862)
 * David Yeoman
 * David Young (cleric)
 * Dawn Kurtagich
 * Ddol Uchaf
 * Dduallt
 * Dean of Llandaff
 * Deborah's Hole Camp
 * Deborah Evans-Quek
 * Deborah Kay Davies
 * Dechrau Canu, Dechrau Canmol
 * Decline and abolition of the poor law system
 * Dedwyddfa
 * Dee Valley Dragons
 * Deep Sleep (hotel)
 * Deeside Consortium
 * Deeside Leisure Centre
 * Deeside Parkway railway station
 * Deeside Stadium
 * Deganwy Castle
 * Deio ab Ieuan Du
 * Denbigh, Ruthin and Corwen Railway
 * Denbigh, Ruthin and Vale of Clwyd Free Press
 * Denbigh Golf Club
 * Denbigh railway station
 * Denis Reardon
 * Dennis Fowles
 * Dennis Heywood
 * Dennis Lambourne
 * Dennis Madden
 * Dennis Wight
 * Deputy First Minister of Wales
 * Derek Howes
 * Derek Williams (art collector)
 * Derek Williams (footballer, born 1934)
 * Derfel Limestone
 * Deri, Caerphilly
 * Derlwyn, Ceredigion
 * Derry Ormond
 * Derry Ormond railway station
 * Derwen
 * Derwen-fach Meadow
 * Derwen railway station
 * Derwenlas
 * Derwydd, Carmarthenshire
 * Derwydd Road railway station
 * Des Case
 * Devynock & Sennybridge railway station
 * Dewar Cup Aberavon
 * Dewi Bridges
 * Dewi Cross
 * Dewi Griffiths
 * Dewi Havhesp
 * Dewi Lake
 * Dewi Morgan
 * Dewi Sant Hospital
 * Deytheur Grammar School
 * Diane Tammes
 * Dic Aberdaron
 * Dic Jones
 * Dick Doncaster
 * Dick Finnigan
 * Dick Hosier
 * Dick Krzywicki
 * Dick Thomas (rugby league)
 * Dick Turner (footballer)
 * Dick Wilcock
 * Dieulacres Chronicle
 * Diffwys
 * Diffwys West Top
 * Digain
 * Dihewyd
 * Dimmy Franks
 * Dinas, Gwynedd
 * Dinas Cromlech
 * Dinas Mawddwy
 * Dinas Rhondda
 * Dinas Rhondda railway station
 * Dindaethwy
 * Dinefwr Estate
 * Dingestow railway station
 * Dinieithon
 * Dinmael
 * Dinorwig
 * Disgwylfa Chapel
 * Disserth and Trecoed
 * District of Monmouth
 * Dmitri Arhip
 * Do not go gentle festival
 * Dogfan
 * Dol-gau
 * Dol-y-pandy
 * Dol Formation
 * Dolanog
 * Dolarddyn Crossing railway station
 * Dolau
 * Dolau railway station
 * Dolauhirion Bridge
 * Dolbenmaen
 * Dole, Ceredigion
 * Dolfach
 * Dolfor
 * Dolgarrog Railway
 * Dolgellau railway station
 * Dolgerdd
 * Dolgoch Falls
 * Dolgran
 * Dolhir Formation
 * Dollwen
 * Dolman Theatre
 * Dolserau Halt railway station
 * Dolwen railway station
 * Dolwyddelan railway station
 * Dolyhir
 * Dolyhir railway station
 * Dom Booth
 * Domen Fawr, Tafolwern
 * Don Emery
 * Donald Farquharson (athlete)
 * Donna Edwards (actress)
 * Donna Rose
 * Doreen Jones
 * Doris Gubbins
 * Dorothy Summers (gymnast)
 * Dorrien Davies
 * Doug Curtin
 * Dougie Oliver
 * Dovecote, Angle
 * Dowlais
 * Dowlais (High Street) railway station
 * Dowlais Cae Harris railway station
 * Dowlais Central railway station
 * Dowlais Top (LNWR) railway station
 * Dowlais Top railway station
 * Downs, Vale of Glamorgan
 * Dowrog Common
 * Dr Williams' School
 * Dragon's Eye (TV programme)
 * Dragon Radio
 * Drefach, Ceredigion
 * Drope
 * Drosgl
 * Dru yoga
 * Druid, Denbighshire
 * Drum (Wales)
 * Drws-y-Nant
 * Drws-y-Nant railway station
 * Dryslwyn railway station
 * Duffryn Rhondda Halt railway station
 * Duhonw
 * Dulas, Anglesey
 * Dulas, Irfon
 * Dulas, Ithon
 * Dumbarton House School
 * Duncan Bush
 * Duncan Evans
 * Dunoding
 * Dwrhyd Pit
 * Dwyfan and Dwyfach
 * Dwyfor
 * Dwygyfylchi
 * Dwyran
 * Dwyran Rural District
 * Dwyriw
 * Dwywe
 * Dyfed Archaeological Trust
 * Dyfed County Council
 * Dyfed Steels
 * Dyfedeg
 * Dyffryn-bern
 * Dyffryn Ardudwy railway station
 * Dyffryn Arth
 * Dyffryn Cellwen
 * Dyffryn Cennen
 * Dyffryn Clwyd
 * Dyffryn Gwaun
 * Dyfi National Nature Reserve
 * Dyfi hills
 * Dyfnan
 * Dyl Harris
 * Dylan Hughes
 * Dylan Moss
 * Dylan Thomas Theatre
 * Dyserth Quarry Limestone
 * Dyserth Waterfall
 * Dyserth railway station
 * Dysgedydd y Plant
 * Dà Mhìle Distillery
 * Dôl-y-bont
 * E. D. Jones
 * Earlswood, Monmouthshire
 * East Aberthaw Coast
 * East Glamorgan General Hospital
 * East Mouse
 * East Orchard Castle
 * Eastside, Swansea
 * Ebbw Vale North
 * Ebbw Vale South
 * Ebbw Valley Walk
 * Eddie Avoth
 * Eddie Beynon
 * Eddie Dowdall
 * Eddie Jenkins
 * Eddie Lawrence (footballer)
 * Edeirnion
 * Edern, Gwynedd
 * Edling
 * Edmund Birkhead
 * Edmund Howell
 * Edmund Meyrick (archdeacon of Bangor)
 * Edmund Morgan (of Llandaff)
 * Education Workforce Council
 * Education administration in the United Kingdom
 * Edward Bassenet
 * Edward Bevan (bishop)
 * Edward Bowen (footballer, born 1858)
 * Edward Cadwaladr
 * Edward Cresset
 * Edward Dafydd
 * Edward Dodd (police officer)
 * Edward Edwards (archdeacon of Brecon)
 * Edward Evans (poet)
 * Edward Evelyn (footballer)
 * Edward Gamage
 * Edward Jenkins (priest)
 * Edward Lincoln Lewis
 * Edward Morris (footballer)
 * Edward Owen (priest)
 * Edward Parry (preacher and poet)
 * Edward Pugh (artist)
 * Edward Roberts (footballer)
 * Edward Roberts (priest)
 * Edward Shaw (footballer)
 * Edward Talley (priest)
 * Edward Taylor Jones
 * Edward Tegla Davies
 * Edward Vaughan (Welsh priest)
 * Edward Welch (architect)
 * Edwin Davies (publisher)
 * Edwin Humphreys
 * Edwin James (footballer)
 * Edwin Williams (footballer)
 * Edwin ap Hywel
 * Edwina McGrail
 * Edwinsford
 * Efail Isaf
 * Efail Isaf railway station
 * Efailnewydd
 * Efan Daniel
 * Efenechtyd
 * Efrydiau Athronyddol
 * Egerton Grey Country House Hotel
 * Eglwys Fach
 * Eglwys Newydd Church
 * Eglwys Sant Ioan, Carmarthen
 * Eglwyscummin
 * Eifion Evans (archdeacon of Cardigan)
 * Eigion
 * Eigron
 * Eiludd Powys
 * Einion Wan
 * Einion Yrth ap Cunedda
 * Einion ap Gwalchmai
 * Einion ap Gwgon
 * Einir Jones
 * Eirian Williams
 * Eirias Park
 * Eirug Wyn
 * Eirwyn George
 * Eisingrug
 * Eisteddfa Gurig
 * Elaine Hugh-Jones
 * Elaine Morgan (singer)
 * Elan Valley Railway
 * Elan Village
 * Eldra
 * Eleanor Coster
 * Elen Rhys
 * Eleri Earnshaw
 * Eleri Mills
 * Elfed Evans
 * Elidir Sais
 * Eliezer Griffiths
 * Elijah Everett
 * Elim, Anglesey
 * Elin's Tower
 * Elin Harlow
 * Elinor Gwynn
 * Eliseus Williams
 * Eliza Constantia Campbell
 * Elizabeth Anesta Sewell
 * Elizabeth Jane Lloyd, Mrs Louis Jones
 * Elizabeth Vaughan
 * Ella Powell
 * Ellis Bevan
 * Ellis Cadwaladr
 * Ellis Davies (priest)
 * Ellis Evans (priest)
 * Ellis Griffith (priest)
 * Ellis Shipp (rugby union)
 * Ellis Thomas Davies
 * Elms Bridge Halt railway station
 * Elvet Collins
 * Elvet Hundred
 * Elvis Rock
 * Elwyn John
 * Elwyn Roberts
 * Ely Rangers A.F.C.
 * Elysian Grove
 * Emlyn A. G. Watkins
 * Emma Jones (footballer, born 1994)
 * Emrys Ellis
 * Emrys Hughes (rugby league)
 * Emrys Roberts (poet)
 * Emsger
 * Emyr Evans
 * Emyr Llywelyn
 * Emyr Rowlands
 * Ena Thomas
 * Engedi, Anglesey
 * Engineering Education Scheme Wales
 * Englynion Gwydion
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 * Enid Luff
 * Enid Morgan
 * Ennal's Point
 * Enoch Jenkins
 * Enoder
 * Enodoc
 * Environment Wales
 * Environmental issues in Wales
 * Ephraim Williams (footballer)
 * Epynt Way
 * Eric Roberts (bishop)
 * Eric St Johnston
 * Eric Sunderland
 * Erin Vaughan
 * Ernest Evans (priest)
 * Ernest Leigh
 * Ernest Morgan
 * Ernest Thomas Bush
 * Ernie Bowdler
 * Ernie Jones (footballer, born 1920)
 * Ernie Morley
 * Ernie Walley
 * Erw y Ddafad-ddu
 * Erwood
 * Escape into the Park
 * Esgairgeiliog
 * Esgeiriau Gwynion
 * Esgyrn Bottom
 * Esmé Kirby
 * Esther Lewis (missionary)
 * Estrildis
 * Esyllt Harker
 * Ethan Lloyd
 * Ethyllt ferch Cynan
 * Etna Park
 * Eubule Thelwall (academic, died 1727)
 * Eurgrawn Wesleyaidd
 * Euroswydd
 * Evan Daniel
 * Evan Davies (Calvinistic Methodist minister)
 * Evan Davies (Independent minister)
 * Evan Davies (almanac-maker)
 * Evan Davies (educationalist)
 * Evan Jenkins (footballer)
 * Evan Jones (footballer)
 * Evan Lloyd (rugby union, born 2000)
 * Evan Owen Allen
 * Evan Roberts (botanist)
 * Evan Thomas (priest)
 * Evan Watkins
 * Evan Yardley
 * Evans & Williams A.F.C.
 * Ewan Rosser
 * Ewart Lewis
 * Eyarth railway station
 * Ezer Griffiths
 * F. J. Gillies
 * FA Women's National League South
 * FC Queens Park
 * Fabian's Bay
 * Faenor, Ceredigion
 * Faerdrefawr
 * Fairbourne railway station
 * Fairwater railway station
 * Fairwood Common
 * Fairwood Park Golf Course
 * Falcondale
 * Falcondale Lake
 * Fan Frynych
 * Fanny Bulkeley-Owen
 * Farewell Rock
 * Farmers' Union of Wales
 * Farrar Road Stadium
 * February 1866 Brecon by-election
 * Federation Day
 * Federation of Disability Sport Wales
 * Federation of Welsh Anglers
 * Fedw Fawr
 * Felicity Evans
 * Felin-Wnda
 * Felin-fach
 * Felin Fach Meadows, Cwmgwili
 * Felin Fawr Slate Works
 * Felin Fran Halt railway station
 * Felin Hen Halt railway station
 * Felin Llwyngwair
 * Fenn's Bank railway station
 * Fennant Road Halt railway station
 * Ferndale railway station
 * Fernhill, Rhondda Cynon Taf
 * Fernhill (band)
 * Fernhill railway station
 * Ferryside railway station
 * Ffa Coffi Pawb
 * Ffair Fach Railway Cutting and River Section
 * Ffair Rhos
 * Ffairfach railway station
 * Ffarmers
 * Fferam
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 * Ffernfael ab Idwal
 * Ffernfael ap Meurig
 * Ffernfael ap Tewdwr
 * Ffestiniog Flags
 * Ffestiniog Travel
 * Ffinian
 * Fflaps
 * Fforestganol a Chwm Nofydd
 * Ffos-y-ffin
 * Ffoshelyg
 * Ffostrasol
 * Ffostrasol Wanderers A.F.C.
 * Ffransis G. Payne
 * Ffridd Gate railway station
 * Ffrith
 * Ffrith railway station
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 * Ffrwd Fawr Waterfall
 * Ffynnon-ddrain
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 * Ffynnon Beuno and Cae Gwyn Caves
 * Ffynnon Lloer
 * Ffynnongroew
 * Ffynone House School
 * Fideo 9
 * Fields Park A.F.C.
 * Fields Park Pontllanfraith A.F.C.
 * Filco Foods
 * Firing Line: Cardiff Castle Museum of the Welsh Soldier
 * Fishguard Folk Festival
 * Fishguard Lifeboat Station
 * Fishing industry in Wales
 * Five Roads
 * Fleur-de-Lis Platform railway station
 * Flint Mountain
 * Flint Mountain F.C.
 * Flintshire Constabulary
 * Flintshire Historical Society journal
 * Flintshire Observer
 * Foel-goch
 * Foel Boeth
 * Foel Cedig
 * Foel Cwm Sian Llŵyd
 * Foel Fenlli
 * Foel Formation
 * Foel Goch (Arenigs)
 * Foel Goch (Hirnant)
 * Foel Grach
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 * Foel Hafod-fynydd
 * Foel Penolau
 * Foel Rhudd
 * Foel Wen South Top
 * Foelallt
 * Foelgastell
 * Food Industry Centre
 * Forden United F.C.
 * Forden railway station
 * Foresthall House
 * Forestry in Wales
 * Forge, Powys
 * Forgotten Landscapes Project
 * Former Vicarage, Blaenau Ffestiniog
 * Foryd Bay
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 * Four Crosses, Llandysilio
 * Four Crosses F.C.
 * Four Crosses railway station
 * Four Mile Bridge
 * Foxhall, Pembrokeshire
 * Foxhall Newydd
 * Francesca Rhydderch
 * Francis Lloyd (died 1799)
 * Francis Lloyd (priest)
 * Francis Ormsby-Gore, 6th Baron Harlech
 * Frank Atherton
 * Frank Davies (footballer, born 1903)
 * Frank Jenkins (priest)
 * Frank Scrine
 * Frankie Jones (gymnast)
 * Frazier Climo
 * Fred Cook (Welsh footballer)
 * Fred Dewey (footballer)
 * Fred Godfrey
 * Fred Hole
 * Fred Jones (footballer, born 1909)
 * Fred Jones (footballer, born 1938)
 * Fred Kelly (footballer)
 * Fred Perry (boxer)
 * Fred Secombe
 * Freddie John
 * Freddie Smart
 * Frederic Edmondes
 * Frederick Green (footballer)
 * Frederick Hughes (footballer)
 * Frederick Jones (footballer)
 * Frederick Rees
 * Frederick Talbot
 * Frederick Worsley
 * Freshers (British TV series)
 * Freystrop
 * Friog
 * Fron, Powys
 * Frongoch railway station
 * Furnace, Carmarthenshire
 * Furnace, Ceredigion
 * Gabalfa railway station
 * Gadfa
 * Gaer, Newport
 * Gaer (Black Mountains)
 * Gaer Fawr, Llanilar
 * Gaer Wood
 * Gaer hillfort, Trellech
 * Gaerllwyd
 * Gaerwen
 * Gaerwen railway station
 * Galanas
 * Gallt Llanerch - Coed Gelli-deg
 * Gallt y Daren
 * Gallt yr Ogof
 * Galltfaenan Hall
 * Garan Croft
 * Garden City, Flintshire
 * Garden Village, Swansea
 * Garden Village, Wrexham
 * Gareth Chapman
 * Gareth Coppack
 * Gareth Davies (Welsh politician)
 * Gareth Davies (cricketer)
 * Gareth Griffiths (rugby union)
 * Gareth Jones (rugby union, born 1975)
 * Gareth Knott
 * Gareth Lewis
 * Gareth Milton
 * Gareth Owen (academic)
 * Gareth Pierce
 * Gareth Roberts (co-driver)
 * Gareth Thomas (rugby union, born 1993)
 * Gareth Williams (British musician)
 * Garn-yr-Erw railway station
 * Garn Boduan
 * Garnant railway station
 * Garndiffaith
 * Garndiffaith railway station
 * Garndolbenmaen
 * Garnedd-Wen Formation
 * Garnedd Goch
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 * Garneddwen
 * Garneddwen Halt railway station
 * Garnswllt
 * Garreg Lwyd (Black Mountain)
 * Garreg Lwyd (Rhayader)
 * Garrison Chapel
 * Garth, Ceredigion
 * Garth, Powys
 * Garth Bank Quarry
 * Garth and Van Road railway station
 * Garth railway station (Powys)
 * Gary Jones (rugby union)
 * Garyn Lucas
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 * Gatewen Halt railway station
 * Gatewen Marsh
 * Gathering Day
 * Gau Graig
 * Gavin Jones (squash player)
 * Gelert's Farm Halt railway station
 * Gelert (company)
 * Gelli Bridge
 * Gelli Formation
 * Gellifor
 * Gelligaer
 * Gelligaer Urban District Council election results, 1909-1939
 * Gelligroes Mill
 * Gellilydan
 * Gendros
 * GeoMôn
 * Geoffrey Cutter
 * Geoffrey Evans (priest)
 * Geoffrey Glyn
 * Geoffrey Marshall (priest)
 * Geoffrey Thomas (academic)
 * George Ballsom
 * George Bennett (rugby)
 * George Bright (priest)
 * George Clark (priest)
 * George Evans (footballer, born 1935)
 * George F. Gibbs
 * George Glasscodine
 * George Godding
 * George Green (footballer, born 1912)
 * George Griffiths (footballer, born 1865)
 * George Gummer
 * George Henry Powell
 * George Higham
 * George Jones (footballer, born 1930)
 * George Makeston
 * George Owen (priest)
 * George Richards (Welsh footballer)
 * George Robinson (cricketer, born 1861)
 * George Savin
 * George Thomas (footballer, born 1857)
 * George Williams (footballer, born 1862)
 * George Williams (footballer, born 1879)
 * George Woosnam
 * George Young (rugby union)
 * Geraint Bowen (poet)
 * Geraint James (rugby union)
 * Geraint Lloyd Owen
 * Geraint Lövgreen
 * Geraint Watkins
 * Gerald Battrick
 * Gerald Williams (rugby union)
 * Gerrion Jones
 * Gerry Humphreys
 * Gerwyn Capon
 * Gethin Davies
 * Giant's Dance
 * Giants Grave F.C.
 * Gibbonsdown
 * Gilbert Wright (priest)
 * Giles Langley
 * Gileston
 * Gilfach
 * Gilfach Fargoed railway station
 * Gilfach Goch RFC
 * Gilfach Goch railway station
 * Gilfachrheda
 * Gilli Davies
 * Gilwern
 * Gladestry
 * Gladstone, Vale of Glamorgan
 * Glais (2nd) railway station
 * Glamorgan-Gwent Archaeological Trust
 * Glamorgan Bird Club
 * Glamorgan Constabulary
 * Glamorgan Monmouth and Brecon Gazette and Merthyr Guardian
 * Glamorgan Pottery
 * Glan-alaw
 * Glan-y-môr, Ceredigion
 * Glan-y-wern
 * Glan-yr-Afon Halt railway station
 * Glan-yr-afon, Bodffordd
 * Glan-yr-afon, Gwynedd
 * Glan Conwy
 * Glan Conwy F.C.
 * Glan Llyn Halt railway station
 * Glan Pibwr Stream Section
 * Glanamman railway station
 * Glandyfi
 * Glaneirw
 * Glangrwyney
 * Glanmule
 * Glannau Penmon
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 * Glannau Rhoscolyn
 * Glanrhyd Halt railway station
 * Glantwymyn
 * Glanwydden
 * Glanymor
 * Glanyrafon, Ceredigion
 * Glanyrafon railway station
 * Glasbury-on-Wye railway station
 * Glascoed
 * Glascoed Halt railway station
 * Glasfynydd Forest
 * Glasgoed, Ceredigion
 * Glasgwm
 * Glasinfryn
 * Glaslyn
 * Glen George
 * Glenboi
 * Glenhafod Park Stadium
 * Gloddaeth Hall
 * Glogue Halt railway station
 * Glyn Abbey railway station
 * Glyn Gething
 * Glyn Gower Formation
 * Glyn Hopkins
 * Glyn Jones (rugby league)
 * Glyn Llewellyn
 * Glyn Neath railway station
 * Glyn Tarell
 * Glynarthen
 * Glyncaled
 * Glyncoch
 * Glyncorrwg railway station
 * Glyndwr Hackett
 * Glyndyfrdwy railway station
 * Glynfach
 * Glynneath (electoral ward)
 * Glynrhonwy quarries
 * Glyntaff Halt railway station
 * Glyntraian
 * Godor North Top
 * Godre'r Graig
 * Godreaman Halt railway station
 * Goetre Fawr
 * Goewin
 * Goferydd
 * Gogarth railway station
 * Gogerddan
 * Gogoyan
 * Goitre Halt railway station
 * Golden Grove, Carmarthenshire
 * Golden Grove railway station
 * Golden Hill Platform railway station
 * Golfa railway station
 * Golud yr Oes
 * Golwg
 * Golwg360
 * Gomer Lloyd
 * Gordon James (priest)
 * Gordon Jones (footballer, born 1886)
 * Gordon MacWilliam
 * Gordon Phillips (priest)
 * Gordon Richards (footballer)
 * Goronwy Foel
 * Gors, Anglesey
 * Gorsedd, Flintshire
 * Gorseinon Hospital
 * Gorseinon railway station
 * Gorsgoch
 * Gorslas
 * Gorslwyd
 * Gorwel Owen
 * Govilon
 * Gower (magazine)
 * Gower College Swansea
 * Gower Explorer
 * Gowerton South railway station
 * Goytre
 * Goytre, Monmouthshire
 * Graham Bent
 * Graham Harcourt
 * Graham James Davies
 * Graham Jones (footballer, born 1949)
 * Graham Morris
 * Graham Sweet
 * Graham Wattley
 * Graig, Llanarmon-yn-Ial
 * Graig, Newport
 * Graig, Pontypridd
 * Graig Fawr
 * Graig Formation
 * Graig Syfyrddin
 * Graig Villa Dino F.C.
 * Graig quarry
 * Grange Albion F.C.
 * Grange University Hospital
 * Gray Hill, Monmouthshire
 * Gray Sandstone Group
 * Greal (Llangollen)
 * Greal y Corau
 * Great Britain Superficial Deposits Supergroup
 * Great Hamston
 * Great House, Laugharne
 * Great Nash
 * Gredifael
 * Green Grove, Ceredigion
 * Greenfield Valley Heritage Park
 * Greenhill, Swansea
 * Greenmeadow
 * Gregynog Festival
 * Gresford railway station
 * Griffith (name)
 * Griffith (surname)
 * Griffith Davies (poet)
 * Griffith George
 * Griffith Nanney
 * Griffith William Hughes
 * Grits (novel)
 * Groes, Port Talbot
 * Groesfaen Colliery Platform railway station
 * Groesffordd
 * Groesffordd Halt railway station
 * Groeslon
 * Grogg
 * Gronant
 * Gronant Dunes and Talacre Warren
 * Gronant Formation
 * Grovesend
 * Grovesend railway station
 * Gruffudd
 * Gruffudd Fychan I
 * Gruffudd Gryg
 * Gruffudd Hiraethog
 * Gruffudd Llwyd
 * Gruffudd ab Adda
 * Gruffydd Davies
 * Gruffydd II ap Madog, Lord of Dinas Bran
 * Gruffydd Robert
 * Gruffydd ab Owain
 * Gruffydd ap Madog Fychan
 * Gungrog
 * Gurthiern
 * Guttorm Gunnhildsson
 * Gutun Owain
 * Gwaenysgor
 * Gwalchmai ap Meilyr
 * Gwalia (newspaper)
 * Gwaun-Cae-Gurwen (electoral ward)
 * Gwaun Lydan
 * Gwaun y Llwyni
 * Gwehelog
 * Gwen Davies (editor)
 * Gwenafwy
 * Gwenffrwd, Aeron
 * Gwenffrwd, Towy
 * Gwern-y-Steeple
 * Gwernaffield with Pantymwyn
 * Gwernesney
 * Gwernogle
 * Gwernyfed High School
 * Gwernymynydd
 * Gwersyllt Foresters F.C.
 * Gwersyllt Hill Halt railway station
 * Gwilym Bradley
 * Gwilym R. Jones
 * Gwilym Wilkins
 * Gwion Hallam
 * Gwladys Evan Morris
 * Gwragedd Annwn
 * Gwrddelw
 * Gwredog
 * Gwrfoddw
 * Gwrgan Fawr
 * Gwrgi Garwlwyd
 * Gwrhai
 * Gwriad ap Merfyn
 * Gwyddelwern railway station
 * Gwyddfarch
 * Gwyddgrug
 * Gwylog ap Beli
 * Gwyn Hughes Jones
 * Gwyn Morgan (writer)
 * Gwyn Morgans
 * Gwyn Williams (writer)
 * Gwyndodeg
 * Gwynedd Archaeological Trust
 * Gwynedd Council elections
 * Gwynedd Is Conwy
 * Gwynedd League
 * Gwynedd Lewis-Lingard
 * Gwynedd Uwch Conwy
 * Gwynfor Llewellyn
 * Gwynfor Williams
 * Gwynllwg
 * Gwynne Williams
 * Gwynno James
 * Gwynt y Môr
 * Gwys railway station
 * Gwytherin
 * Gwythyr ap Greidawl
 * Gyfeillon Platform railway station
 * Gyrn Moelfre
 * H. G. Nicholas
 * Hacio
 * Hadnock Halt railway station
 * Hafod Garregog National Nature Reserve
 * Hafodiwan
 * Hafodyrynys Platform railway station
 * Hafren
 * Hagan Evans
 * Halfway tram stop (Great Orme)
 * Halkyn Common and Holywell Grasslands
 * Hanmer Mere
 * Hannah Keryakoplis
 * Harbourmaster Hotel
 * Harlech Dome
 * Harlech Grits Group
 * Harlech Military Railway
 * Harlech railway station
 * Harlequin Puppet Theatre
 * Harold Carpenter Lumb Stocks
 * Harold Charles
 * Harold Jenkins (footballer)
 * Harold Thomas (rugby, born 1914)
 * Harold Williams (priest, died 2004)
 * Harper's Grove – Lord's Grove
 * Harri Deaves
 * Harri Doel
 * Harri Millard
 * Harri O'Connor
 * Harriet Jones (swimmer)
 * Harrison Bright
 * Harrison Walsh
 * Harry Craven Williams
 * Harry Fry (rugby union)
 * Harry Griffiths (footballer, born 1931)
 * Harry Hibbott
 * Harry Hollis
 * Harry Lewis (footballer, born 1910)
 * Harry Millership
 * Harry Parr-Davies
 * Harry Parry
 * Harry Toft
 * Harry Trainer
 * Harvey Rew
 * Havens Head Retail Park
 * Haverford Formation
 * Haverford Mudstone
 * Haverfordwest & Milford Haven Telegraph
 * Haverfordwest Airport
 * Haverfordwest High VC School
 * Haverfordwest Priory
 * Haverfordwest RFC
 * Haverfordwest railway station
 * Hawarden Bridge
 * Hawarden Bridge railway station
 * Hawarden Castle (medieval)
 * Hawen
 * Hawthorn, Rhondda Cynon Taf
 * Hawthorn Greyhound Track
 * Hawthorn High School
 * Hawthorn House, Menai Bridge
 * Hay-on-Wye railway station
 * Hay Bluff
 * Hay Urban District
 * Haydn Morris
 * Hayley Stadium
 * Hazel Brunker
 * Headquarters Wales
 * Health in Wales
 * Heart North Wales Coast
 * Heartsease, Knighton
 * Hebron, Anglesey
 * Heddiw (magazine)
 * Hefeydd
 * Hells Mouth Grits
 * Hen-allt Common
 * Hen Bentref Llandegfan
 * Henblas, Anglesey
 * Henborth
 * Hendre, Anglesey
 * Hendre-Rhys
 * Hendre (Bangor electoral ward)
 * Hendre Bach
 * Hendy
 * Hendy RFC
 * Heneglwys
 * Henfynyw
 * Heniarth railway station
 * Henllan, Ceredigion
 * Henllanfallteg
 * Henllys, Ceredigion
 * Henllys, Torfaen
 * Henry Adams (MP)
 * Henry Bould
 * Henry Brinley Richards
 * Henry Church Jones
 * Henry Davies (Baptist minister)
 * Henry Edwards (footballer)
 * Henry FitzMiles
 * Henry Foulkes
 * Henry Honore
 * Henry Jones (lawyer)
 * Henry Kennedy (architect)
 * Henry Lynch Blosse
 * Henry Maurice (minister)
 * Henry Morgan (priest)
 * Henry Naunton Davies
 * Henry Richards (British Army officer)
 * Henry Roxby Benson
 * Henry Sabine
 * Henry Stewart (archdeacon of Brecon)
 * Henry Walter
 * Henry de Winton
 * Henryd
 * Henwg
 * Heol-y-Cyw
 * Heol Senni
 * Heolgerrig
 * Heolgerrig Halt railway station
 * Herbert Cory
 * Herbert Jones (footballer, born 1929)
 * Herbert Sisson
 * Here are Lovers
 * Herewald of Llandaff
 * Hermon, Anglesey
 * Herward Smithy
 * Hieracium attenboroughianum
 * High Cross, Newport
 * High Performance Computing Wales
 * High Shields railway station
 * High Tor Limestone
 * Highfield Road Halt railway station
 * Highmead
 * Hightown Halt railway station
 * Hilary Summers
 * Hilton Cardiff
 * Hirdre-Faig
 * Hirwaun Pond Halt railway station
 * His Majesty's Inspectorate of Constabulary and Fire & Rescue Services
 * History of NHS Wales
 * History of the harp in Wales
 * Hockey Driscoll
 * Hodge Bank
 * Holidaymaker (magazine)
 * Holland Arms railway station
 * Holly Bush railway station
 * Holly Holyoake
 * Holly Lawrence
 * Holly Williams (writer)
 * Hollybush
 * Holt, Wrexham
 * Holton, Vale of Glamorgan
 * Holway, Flintshire
 * Holy Trinity Church, Greenfield
 * Holy Trinity Church, Penrhos
 * Holy Trinity Church, Trefnant
 * Holyhead Admiralty Pier railway station
 * Holyhead Golf Club
 * Holyhead TMD
 * Holyhead Urban District
 * Holywell Golf Club
 * Holywell Junction railway station
 * Holywell Rural District
 * Holywell Town railway station
 * Holywell Workhouse Chapel
 * Homagnostus
 * Honddu Isaf
 * Hook Wood
 * Hope, Flintshire
 * Hope & Pen-y-ffordd railway station
 * Hope Exchange railway station
 * Horace Blew
 * Horace Debenham
 * Horeb, Carmarthenshire
 * Horseshoe Pass
 * Horton Beach
 * Household Music: Three Preludes on Welsh Hymn Tunes
 * Howel Davies
 * Howel Samuel
 * Howell Davies (bishop)
 * Howell Davies (rugby union, born 1959)
 * Howell Gwynne (MP)
 * Hubert Hughes (priest)
 * Hugh Arfon Evans
 * Hugh Bellot
 * Hugh Emyr Davies
 * Hugh Evans (priest)
 * Hugh Holbeche
 * Hugh Iorys Hughes
 * Hugh Jones (archdeacon of St Asaph)
 * Hugh Jones (footballer)
 * Hugh Meikle
 * Hugh Morgan-Owen
 * Hugh Nanney
 * Hugh Pugh (priest)
 * Hugh Pugh (sailor)
 * Hugh Williams-Jones
 * Hugh Williams (of Chester)
 * Hugh Williams (priest)
 * Hughe Hughes
 * Hughley Shale
 * Humffrey Davies
 * Humfrey Edwards
 * Hunts Bay
 * Hunts Bay Oolite
 * Huntsman's Leap
 * Huw Cadwaladr
 * Huw Jones (bishop)
 * Huw Stephens
 * Huw Sutton
 * Huws Gray
 * Hychddwn
 * Hyddwn
 * Hyfaidd ap Bleddri
 * Hywel Coetmor
 * Hywel Davies (broadcaster)
 * Hywel Davies (footballer)
 * Hywel Davies (jockey)
 * Hywel Foel ap Griffri ap Pwyll Wyddel
 * Hywel Lewis
 * Hywel Teifi Edwards
 * Hywel ab Edwin
 * Hywel ab Owain
 * Hywel ap Caradog
 * Hywel ap Rhys (Glywysing)
 * I. D. Ffraid
 * Iago ab Idwal ap Meurig
 * Ial
 * Ian Boobyer
 * Ian Capon
 * Ian Eidman
 * Ian Flanagan
 * Ian Hutchinson (cricketer)
 * Ian Jones (curler)
 * Ian Roberts (footballer, born 1961)
 * Ian Robinson (rugby union)
 * Ian Sturrock
 * Ian Williams (speedway rider)
 * Ibiza, Ibiza
 * Iddog ap Mynio
 * Idole
 * Idris Jones
 * Idris Towill
 * Idris Williams (Welsh footballer)
 * Idwal ap Meurig
 * Iefan ab Owain Gwynedd
 * Iestyn Harris (rugby union, born 1998)
 * Iestyn Hopkins
 * Iestyn Rees
 * Ieuaf
 * Ieuan Ddu ap Dafydd ab Owain
 * Ieuan Lewis
 * Ieuan Owen
 * Ieuan Rhys Williams
 * Ieuan ab Owain Glyndŵr
 * Ieuan ap Gruffudd Leiaf
 * Ieuan ap Tudur Penllyn
 * Ifan Phillips
 * Ifor Pritchard
 * Ifor Williams Trailers
 * Ilar Thomas
 * Illustrated Usk Observer
 * Iltid Nicholl
 * Immanuel Feyi-Waboso
 * Imperial Gazetteer of England and Wales
 * Import of Live Fish (England and Wales) Act 1980
 * In Bloom (Neck Deep song)
 * Incline Top railway station
 * Inexus
 * Inter European Airways
 * International Business Wales
 * Ioan Croft
 * Ioan Davies
 * Ioan Evans (rugby union)
 * Ioan Nicholas
 * Ioan Tegid
 * Iona Banks
 * Iona Jones
 * Iori Jenkins
 * Iorwerth (Bishop of St Davids)
 * Iorwerth Beli
 * Iorwerth Drwyndwn
 * Iorwerth Herbert
 * Iorwerth Hirflawdd
 * Iorwerth Hughes
 * Iron Tram Bridge, Robertstown
 * Isaac Singleton (priest)
 * Isallt Bach
 * Isfael
 * Islwyn Davies
 * Islwyn Davies (priest)
 * Islwyn John
 * Ithel Davies
 * Ithel Hael
 * Ithel ap Morgan
 * Ivor Davies (rugby, born 1906)
 * Ivor Jones
 * Ivor Philips
 * Ivor Powell (evangelist)
 * Ivor Thomas (trade unionist)
 * Ivor Vice
 * Iwan Shenton
 * Izaak Duffy
 * J. Crichton & Company
 * J. Meirion Lloyd
 * Jabez Evans
 * Jac Morgan
 * Jac Price
 * Jack Bowdler
 * Jack Butler (footballer, born 1868)
 * Jack Edwards (footballer, born 1876)
 * Jack Fairweather (writer)
 * Jack Garner (footballer)
 * Jack Humphreys
 * Jack Jenkins (Welsh footballer)
 * Jack Jones (1920s Welsh footballer)
 * Jack Mates
 * Jack Scriven
 * Jack Smith (footballer, born 1911)
 * Jack Sound
 * Jack Thomas (bishop)
 * Jack Vale (footballer, born 2001)
 * Jackie Price (bobsleigh)
 * Jacob Beetham
 * Jacob Davies
 * Jacob Ifan
 * Jacob Rees (architect)
 * James Allan Smith
 * James Allen (priest)
 * James Bevan Bowen (MP)
 * James Botham
 * James Buckley (priest)
 * James Childs Gould
 * James Conway Brown
 * James Crane (police officer)
 * James Crisp (cricketer)
 * James Davies (Baptist minister)
 * James Davies (Iago ap Dewi)
 * James Davies (footballer, born 1845)
 * James Davies (politician)
 * James Davies (schoolmaster)
 * James Davies Lewin
 * James Dickson Innes
 * James Evans (Welsh politician)
 * James Fender
 * James Jubilee Young
 * James Kitchener Davies
 * James Kyriakides
 * James Langworth
 * James Lloyd (footballer)
 * James Milo Griffith
 * James Morris (footballer, born 1864)
 * James Phillips (MP)
 * James Pyke Thompson
 * James Ratti
 * James Sheekey
 * James Sommerin
 * James Trainer
 * James Vincent (priest, born 1718)
 * James Vincent (priest, born 1792)
 * James Williams (archdeacon of Wrexham)
 * James Wilson (Welsh footballer)
 * Jamie Hill (rugby union)
 * Jamie Meikle
 * Jamie Owen
 * Jamie Slater
 * Jane Richmond
 * Janet Ackland
 * Janet Davies (politician)
 * Janet Lewis-Jones
 * Jason Harries
 * Jason Harrold
 * Jay Gibbs
 * Jean Earle
 * Jeff Evans (umpire)
 * Jeff Global's Global Probe
 * Jeff Parton
 * Jeffrey Jones (footballer)
 * Jeffreyston Pastures
 * Jenkin Jones (captain)
 * Jenner Park Stadium
 * Jennifer Davies
 * Jenny Hawkins
 * Jenny Rathbone
 * Jeremy Pugh
 * Jeremy Winston
 * Jermaine Asare
 * Jersey Marine
 * Jersey Marine railway station
 * Jesse Meredith
 * Jesse Williams (footballer, born 1903)
 * Jessica Hogg
 * Jevon Groves
 * Jewin Welsh Presbyterian Chapel
 * Jim Edwards (footballer, born 1874)
 * Jim Shanklin
 * Jim Vaughan
 * Jimmy Ithell
 * Jimmy Jones (footballer, born 1895)
 * Joan Osborne (bowls)
 * Joanne Muggeridge
 * Joanne Owen
 * Joe Cowell
 * Joe Goodchild
 * Joe Hawkins
 * Joe Lewis (footballer, born 1999)
 * Joe Morgan (badminton)
 * Joe Roberts (rugby union)
 * Joe Walsh (footballer, born 1992)
 * Joel James (politician)
 * Johanne Brekke
 * John "Wynn" ap Maredudd
 * John Abel (minister)
 * John Adams (Pembroke MP)
 * John Arthur Price
 * John Baker (died 1544)
 * John Batchelor (politician)
 * John Belcher (Methodist preacher)
 * John Bird (artist)
 * John Blackwall
 * John Blackwell (Alun)
 * John Blodwell
 * John Bolton (Haverfordwest MP)
 * John Bryant (harpist)
 * John Bufton
 * John C. Clarke
 * John Cadvan Davies
 * John Cawston
 * John Cayo Evans
 * John Charlton, 2nd Baron Charlton
 * John Charlton, 3rd Baron Charlton
 * John Charlton, 4th Baron Charlton
 * John Clegge
 * John Cockrill (politician)
 * John Crichton-Stuart, 4th Marquess of Bute
 * John Crompton (MP)
 * John Daniel (printer)
 * John Daniel Davies
 * John Dassy
 * John Davies (Methodist minister, born 1823)
 * John Davies (Taliesin Hiraethog)
 * John Davies (archdeacon of Wrexham)
 * John Davies (author)
 * John Davies (composer)
 * John Davies (footballer, born 1856)
 * John Davies (missionary)
 * John Davies (printer and journalist)
 * John Davies (steeplechase runner)
 * John Davies of Hereford
 * John De la Bere
 * John Du Buisson
 * John Edward Davies
 * John Edward Jones (Welsh politician)
 * John Edwards (1747–1792)
 * John Edwards (MP for Denbighshire)
 * John Edwards (archdeacon of St Asaph)
 * John Elias Davies
 * John Evan Davies
 * John Evans (Haverfordwest MP)
 * John Evans (archdeacon of Llandaff)
 * John Evans (footballer, born 1859)
 * John Eyton-Jones
 * John Fulham
 * John Funnell
 * John Gilbert (Bishop of St Davids)
 * John Gill (actor)
 * Draft:John Goodwin (sport shooter)
 * John Grantley Cooper
 * John Griffiths (archdeacon of Llandaff)
 * John Gruffith
 * John Gwynoro Davies
 * John Hanbury (1744–1784)
 * John Harris (bishop)
 * John Harris (priest)
 * John Harris Jones
 * John Haydn Davies
 * John Hensleigh Allen
 * John Hill (police officer)
 * John Holdsworth (priest)
 * John Hughes (ceramicist)
 * John Hughes (footballer, born 1877)
 * John Hunt (curler)
 * John Ingleby (bishop)
 * John Iorweth Hughes
 * John James (archdeacon of Llandaff)
 * John James Williams (poet)
 * John Jeffreys (1706–1766)
 * John Jeffreys (died 1715)
 * John Jenkins (Gwili)
 * John Jones (Ivon)
 * John Jones (archdeacon of Bangor)
 * John Jones (archdeacon of St Asaph)
 * John Jones (bishop)
 * John Jones (dean of Bangor)
 * John Jones (footballer, born 1860)
 * John Kelt Edwards
 * John Lawrence (musician)
 * John Lewis (dean of Llandaff)
 * John Lewis Owen
 * John Lloyd (Bishop of St Davids)
 * John Lloyd (MP for Denbighshire)
 * John Lloyd (archdeacon of Montgomery)
 * John Lloyd (bishop of Swansea)
 * John Lloyd (cricketer)
 * John Lloyd (vicar of Cilcain)
 * John Lomas (bishop)
 * John Lougher
 * John Luntley
 * John Marshall (bishop)
 * John Matthias (footballer)
 * John Meaney (footballer)
 * John Meirion Morris
 * John Meyrick
 * John Meyrick (politician)
 * John Morgan (Bishop of St Davids)
 * John Morgan (archdeacon of Bangor)
 * John Morgan Howell
 * John Morris (footballer, born 1873)
 * John Moulsdale
 * John Mulhall (gymnast)
 * John Mulvihill (rugby union)
 * John Myddelton
 * John Neal (Welsh footballer)
 * John Ogwen
 * John Ossian Davies
 * John Owen Vaughan
 * John Owen Williams (Pedrog)
 * John Park Davies
 * John Parker (cleric)
 * John Parry (editor)
 * John Parsons (footballer, born 1950)
 * John Paschal
 * John Perkins (rugby union)
 * John Pettigrew (businessman)
 * John Phillips (priest)
 * John Pook
 * John Poole-Hughes
 * John Pratt (archdeacon of St Davids)
 * John Prichard
 * John Probyn
 * John Pugh (priest)
 * John Pugh Pryse
 * John Pugsley (footballer)
 * John Quarre
 * John Rhys Davies (priest)
 * John Richards (Bishop of St Davids)
 * John Richardson (rugby union)
 * John Roach (footballer, born 1862)
 * John Roberts (Flint MP)
 * John Roberts (Vicar of Tremeirchion)
 * John Roberts (footballer, born 1857)
 * John Roberts (footballer, born 1858)
 * John Rogers (dean of Llandaff)
 * John Salesbury
 * John Salusbury (died 1578)
 * John Smith (archdeacon of Llandaff)
 * John Smith (bishop of Llandaff)
 * John Smith (footballer, born 1944)
 * John Sparkes
 * John Stanberry
 * John Stradling (priest)
 * John Summers & Sons
 * John Summers High School
 * John T. Pritchard
 * John Tapton
 * John Taylor (Welsh footballer)
 * John Thomas (priest, born 1736)
 * John Thomas (priest, born 1891)
 * John Trevelyan (chess player)
 * John Trevor (died 1410)
 * John Tripp (poet)
 * John Tudor (cyclist)
 * John Tyler (bishop)
 * John Vaughan (died 1804)
 * John Vaughan (footballer, born 1856)
 * John Wakeford (rugby union)
 * John Walters (priest and lexicographer)
 * John Warren (priest)
 * John White (Welsh lawyer)
 * John Williams (Oxford academic)
 * John Williams (dean of Llandaff)
 * John Williams (evangelical priest)
 * John Williams (rugby league, born 1907)
 * John Williams (schoolmaster, born 1760)
 * John Wogan
 * John Wyn ap Cadwaladr
 * John Wynne (1689–1718)
 * John Wynne (died 1689)
 * John Wynne Jones
 * John of Monmouth (bishop)
 * Johnny Rogers (rugby)
 * Johnstown, Wrexham
 * Jon Latimer
 * Jonathan Ceredig Davies
 * Jonathan Davies (Welsh priest)
 * Jonathan Denning
 * Jonathan Edwards (academic)
 * Jonathan Evans (rugby union)
 * Jonathan Lean
 * Jonathan Mason (rugby union)
 * Jonathan Tomlinson
 * Jonathan Worsley
 * Jordan Hart
 * Jordan Holt (footballer, born 1994)
 * Joseph Bradney
 * Joseph Coope-Franklin
 * Joseph Davies (magazine editor)
 * Joseph Hoare (Welsh academic)
 * Joseph Hudson Turner
 * Joseph Miles
 * Joseph Rogers (footballer)
 * Joseph Williams (footballer)
 * Josh Macleod
 * Josh Ralph (rugby league)
 * Josh Reynolds (rugby union)
 * Josh Thomas (rugby union)
 * Joshua Andrews
 * Joshua Milton
 * Journal of the Welsh Bibliographical Society
 * Jubilee Bridge (Queensferry)
 * Julie Murphy (singer)
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 * Justiciar of North Wales
 * Justin Kerrigan
 * Karl Johnson (actor)
 * Kate Eaves
 * Kate McNicol
 * Keiran Williams
 * Keith Hughes (rugby union)
 * Keith Matthews (footballer)
 * Keith Povey
 * Keith Smalldon
 * Keith Tyte
 * Kelly-Louise Pesticcio
 * Kemsley Mathias
 * Ken Buffin
 * Ken Jones (footballer, born 1937)
 * Ken Thomas (trade unionist)
 * Ken Waters
 * Kenfig Hill railway station
 * Kenner Elias Jones
 * Kenneth Bowen (tenor)
 * Kenneth O. Morgan
 * Kenneth Sharpe
 * Keredic
 * Kerry F.C. (Wales)
 * Kerry Goulstone
 * Kerry branch line
 * Kerry railway station
 * Kevin Green (investor)
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 * Key Stage 5
 * Kezia Burrows
 * Kibbor
 * Kidwelly Flats Halt railway station
 * Kidwelly Industrial Museum
 * Kidwelly railway station
 * Kieran Hardy
 * Kilgerran Halt railway station
 * Kilgetty railway station
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 * Kilvrough Manor
 * King's Hall, Aberystwyth
 * King Edward VII Welsh National Memorial Association
 * Kingsland, Anglesey
 * Kingsley Whiffen
 * Kingsway Shopping Centre
 * Kinmel Bay
 * Kinmel Bay F.C.
 * Kinmel Bay and Towyn
 * Kinmel Camp Railway
 * Kinnerton, Powys
 * Kinnerton railway station
 * Kiran Carlson
 * Knighton Rural District
 * Knolton
 * Knyvett Crosse
 * Kristian Bell
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 * LGBT culture in Cardiff
 * Lampeter Museum
 * Lamphey Court
 * Lamphey Cricket Club Ground
 * Lamphey railway station
 * Lando Platform railway station
 * Landore Low Level railway station
 * Landore TMD
 * Landsker Borderlands Trail
 * Latalia Bevan
 * Latham Park
 * Laugharne Castle
 * Laugharne Weekend
 * Laura Hughes (weightlifter)
 * Laura May Walkley
 * Laurance Delaney
 * Lauren Townsend (footballer)
 * Lauren Wells (footballer)
 * Lauren Williams (taekwondo)
 * Laurence Philipps, 1st Baron Milford
 * Laurie Daniel
 * Law Council of Wales
 * Lawrence Bowen
 * Lawrence Byford
 * Lawrence Langner
 * Lawrence Thomas (priest)
 * Leaf Books
 * Leckwith
 * Leckwith, Cardiff
 * Lee Dainton
 * Lee Walker
 * Leeswood
 * Leeswood and Pontblyddyn
 * Leete Limestone
 * Legacy railway station
 * Leighton Alfred
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 * Lemuel Mathews
 * Len Apsey
 * Len Orchard
 * Lengthsman
 * Lennon Greggains
 * Les Cartwright
 * Les Jones (Welsh footballer)
 * Les Keen
 * Les Pearce (Welsh rugby)
 * Les Speed
 * Les Williams (Welsh footballer)
 * Letterston railway station
 * Leucarum
 * Level of Mendalgief
 * Levi Gibbon
 * Lewis Clarke (priest)
 * Lewis Davies (writer)
 * Lewis Jones (bishop)
 * Lewis Jones (politician)
 * Lewis Llewellyn
 * Lewis Mansel
 * Lewis Morgan (rugby union)
 * Lewis Pryce
 * Lewis Pugh Pugh
 * Lewis Thomas (bishop)
 * Lewis ab Owen ap Meurig
 * Lewistown, Bridgend
 * Lewistown F.C.
 * Lewistown Halt railway station
 * Lewys Glyn Dyfi
 * Lewys Twamley
 * Lex XI F.C.
 * Liam Belcher
 * Liam Williams (boxer)
 * Libanus, Powys
 * Libanus Chapel, Swansea
 * Libraries Connected
 * Lido Ground
 * Lilian Nicholas
 * Lily Woodham
 * Lisa Peters
 * List and Index Society
 * List of Palmerston Forts around Milford Haven
 * List of family seats of Welsh nobility
 * Lister Tonge
 * Lisvane (CAC) Tennis Club
 * Lisvane Reservoir
 * Lisvane and Thornhill railway station
 * Little Mill, Monmouthshire
 * Little Mill Junction railway station
 * Little Ormes Head Quarry tramway
 * Liverpool Courier
 * Liverpool Daily Post
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 * Lixwm
 * Liza Burgess
 * Llafar Halt railway station
 * Llafur
 * Llain-wen
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 * Llaingarreglwyd
 * Llaingoch
 * Llais Y Wlad
 * Llampha
 * Llan, Powys
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 * Llanaber railway station
 * Llanaelhaearn
 * Llanafan, Ceredigion
 * Llanallgo
 * Llanarmon, Gwynedd
 * Llanarmon Limestone
 * Llanarth, Ceredigion
 * Llanarth, Monmouthshire
 * Llanarthney
 * Llanarthney Halt railway station
 * Llanasa
 * Llanbabo
 * Llanbadarn Fynydd
 * Llanbadarn railway station
 * Llanbadarn y Garreg
 * Llanbadoc
 * Llanbadrig
 * Llanbadrig - Dinas Gynfor
 * Llanbeblig Book of Hours
 * Llanbedr, Crickhowell
 * Llanbedr Airport
 * Llanbedr railway station
 * Llanbedrgoch
 * Llanbedrgoch railway station
 * Llanberis railway station (London and North Western Railway)
 * Llanbister Road railway station
 * Llanbradach Quarry
 * Llanbradach and Pwllypant
 * Llanbradach railway station
 * Llanbrynmair railway station
 * Llancadle
 * Llancaiach
 * Llancaiach Colliery
 * Llancayo
 * Llandanwg
 * Llandanwg railway station
 * Llandarcy Platform railway station
 * Llandawke
 * Llanddarog
 * Llanddeiniolen
 * Llandderfel
 * Llanddeusant, Carmarthenshire
 * Llanddew
 * Llanddewi Rhydderch
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 * Llanddoged
 * Llanddona
 * Llanddona Common
 * Llanddowror
 * Llanddulas
 * Llanddulas Limestone and Gwrych Castle Wood
 * Llanddyfrwyr-yn-Edeligion
 * Llandecwyn
 * Llandecwyn railway station
 * Llandegla Forest
 * Llandegley
 * Llandegveth
 * Llandegwning
 * Llandeilo'r-Fan
 * Llandeilo Rural District
 * Llandeilo Urban District
 * Llandeilo railway station
 * Llandenny
 * Llandenny railway station
 * Llandevaud
 * Llandilo Bridge railway station
 * Llandinam railway station
 * Llandogo Halt railway station
 * Llandough, Llanfair
 * Llandough, Penarth
 * Llandovery railway station
 * Llandovery transmitting station
 * Llandrillo railway station
 * Llandrindod Wells Victorian Festival
 * Llandrinio
 * Llandrinio Road railway station
 * Llandudno Albion F.C.
 * Llandudno Junction TMD
 * Llandudno Pier Dolomite
 * Llandudno Urban District
 * Llandudno Victoria tram stop
 * Llandudwen
 * Llandulas railway station
 * Llandwrog
 * Llandybie
 * Llandybie railway station
 * Llandyfaelog
 * Llandyfaelog Fach
 * Llandyfaelog Tre'r-graig
 * Llandyfriog
 * Llandyfrydog
 * Llandygai
 * Llandygwydd
 * Llandysilio
 * Llandysiliogogo
 * Llandyssul railway station
 * Llanedi
 * Llanedwen
 * Llanegwad
 * Llaneilian
 * Llanelidan
 * Llanellen
 * Llanelli Online
 * Llanelli RFC 9–3 New Zealand
 * Llanelli Rural
 * Llanelli Talking Newspaper
 * Llanelli Town Council
 * Llanelli Waterside
 * Llanelltyd
 * Llanelly
 * Llanelly Formation
 * Llanelly House
 * Llanelwedd
 * Llanengan
 * Llanerchymedd F.C.
 * Llanerchymedd railway station
 * Llanerfyl
 * Llaneuddog
 * Llaneugrad
 * Llanfaelrhys
 * Llanfair, Gwynedd
 * Llanfair, Vale of Glamorgan
 * Llanfair-Mathafarn-Eithaf
 * Llanfair-ar-y-bryn
 * Llanfair-is-gaer
 * Llanfair-y-Cwmwd
 * Llanfair-yn-Neubwll
 * Llanfair-yng-Nghornwy
 * Llanfair Caereinion railway station
 * Llanfair Clydogau
 * Llanfair Kilgeddin
 * Llanfair Talhaiarn
 * Llanfairfechan Town F.C.
 * Llanfairfechan Urban District
 * Llanfairfechan railway station
 * Llanfallteg Track Section
 * Llanfalteg Halt railway station
 * Llanfaredd Halt railway station
 * Llanfarian
 * Llanfawr Mudstones
 * Llanfechain railway station
 * Llanfflewyn
 * Llanfihangel-uwch-Gwili
 * Llanfihangel-y-Pennant
 * Llanfihangel-y-Pennant, Dolbenmaen
 * Llanfihangel Aberbythych
 * Llanfihangel Bachellaeth
 * Llanfihangel Din Sylwy
 * Llanfihangel Glyn Myfyr
 * Llanfihangel Nant Brân
 * Llanfihangel Nant Melan
 * Llanfihangel Rhos-y-Corn
 * Llanfihangel Rhydithon
 * Llanfihangel Tor-y-Mynydd
 * Llanfihangel Ysgeifiog
 * Llanfihangel Ystrad
 * Llanfihangel yn Nhowyn
 * Llanfoist Fawr
 * Llanfor
 * Llanfrothen
 * Llanfrynach
 * Llanfugail
 * Llanfwrog, Anglesey
 * Llanfwrog, Denbighshire
 * Llanfyllin railway station
 * Llanfynydd railway station
 * Llanfyrnach railway station
 * Llangadog
 * Llangadog railway station
 * Llangadwaladr
 * Llangain
 * Llangammarch (parish)
 * Llangammarch Wells
 * Llangammarch railway station
 * Llangan
 * Llanganten
 * Llangar
 * Llangathen
 * Llangattock Lingoed
 * Llangedwyn Halt railway station
 * Llangefni Urban District
 * Llangeinor
 * Llangeinor railway station
 * Llangeinwen
 * Llangeler
 * Llangelynin railway station
 * Llangelynnin, Gwynedd
 * Llangennech RFC
 * Llangennith, Llanmadoc and Cheriton
 * Llangian
 * Llanglydwen railway station
 * Llangoed
 * Llangoed Common
 * Llangoed F.C.
 * Llangoedmor
 * Llangollen Advertiser
 * Llangollen Rural
 * Llangollen Rural District
 * Llangollen railway station
 * Llangors
 * Llangorwen
 * Llangovan
 * Llangower railway station
 * Llangristiolus
 * Llangua
 * Llangunllo
 * Llangunnor
 * Llangwnnadl
 * Llangwyfan, Anglesey
 * Llangwyllog
 * Llangwyllog railway station
 * Llangybi, Ceredigion
 * Llangybi, Gwynedd
 * Llangybi railway station (Ceredigion)
 * Llangybi railway station (Gwynedd)
 * Llangyfelach railway station
 * Llangynfelyn
 * Llangynhafal
 * Llangynin
 * Llangynllo railway station
 * Llangynog, Carmarthenshire
 * Llangynog railway station
 * Llangynwyd railway station
 * Llangynyw
 * Llangystennin
 * Llangywer
 * Llanhamlach
 * Llanharry railway station
 * Llanhennock
 * Llanhilleth railway station
 * Llanidloes High School
 * Llanidloes Without
 * Llanidloes railway station
 * Llaniestyn, Gwynedd
 * Llanilar
 * Llanion Halt railway station
 * Llanllawddog
 * Llanllechid
 * Llanllibio
 * Llanllowell
 * Llanllugan Abbey
 * Llanllwchaiarn, Ceredigion
 * Llanllwni
 * Llanllyfni
 * Llanllyfni F.C.
 * Llanllyfni lunula
 * Llanmiloe
 * Llanmorlais railway station
 * Llannefydd
 * Llannefydd F.C.
 * Llannerch
 * Llannerch railway station
 * Llannewydd
 * Llannon
 * Llannor
 * Llanover
 * Llanrhaeadr-yng-Nghinmeirch
 * Llanrhaiadr Mochnant railway station
 * Llanrhaiadr railway station
 * Llanrhidian Higher
 * Llanrhidian Lower
 * Llanrhuddlad
 * Llanrhyddlad
 * Llanrhystud
 * Llanrug United F.C.
 * Llanrumney United F.C.
 * Llanrwst Rural District
 * Llanrwst railway station
 * Llansadwrn
 * Llansadwrn, Anglesey
 * Llansamlet railway station (MR)
 * Llansanffraid Glyndyfrdwy
 * Llansannan
 * Llansannan F.C.
 * Llansannor
 * Llansantffraid, Ceredigion
 * Llansantffraid railway station
 * Llansawel
 * Llansilin Road railway station
 * Llansillin Rural District
 * Llansoy
 * Llanspyddid
 * Llansteffan
 * Llanstephan Cliffs
 * Llanstephan Halt railway station
 * Llantarnam
 * Llantilio Crossenny
 * Llantilio Pertholey
 * Llantrisant, Anglesey
 * Llantrisant, Monmouthshire
 * Llantrisant Common and Pastures
 * Llantrisant Fawr
 * Llantrisant RFC
 * Llantrisant rail accident
 * Llantrithyd
 * Llantwit Fardre railway station
 * Llantwit Major RFC
 * Llantysilio
 * Llanuwchllyn F.C.
 * Llanuwchllyn railway station
 * Llanvabon
 * Llanvair railway station
 * Llanvetherine
 * Llanvihangel-Ystern-Llewern
 * Llanvihangel Gobion
 * Llanvihangel Railway
 * Llanvihangel railway station
 * Llanwchaiarn, Ceredigion
 * Llanwenarth
 * Llanwenog
 * Llanwern Golf Club
 * Llanwern High School
 * Llanwern railway station
 * Llanwinio
 * Llanwnda, Gwynedd
 * Llanwnda railway station
 * Llanwnnen
 * Llanwnnog
 * Llanwonno
 * Llanwrda
 * Llanwrda railway station
 * Llanwrin
 * Llanwrtyd
 * Llanwrtyd railway station
 * Llanybydder railway station
 * Llanycefn railway station
 * Llanychan
 * Llanycil
 * Llanycrwys
 * Llanymawddwy
 * Llanynghenedl
 * Llanynys
 * Llanyrafon
 * Llawdden
 * Llawryglyn
 * Llay Bog
 * Llechfaen
 * Llechgynfarwy
 * Llechog
 * Llechwedd Du
 * Llechylched
 * Lledrod
 * Lledwigan
 * Llef
 * Llettum-ddu
 * Lletty Brongu railway station
 * Llety-wen
 * Lleufer
 * Llewellyn Turner
 * Llewelyn Davies (footballer)
 * Llewelyn Griffiths
 * Llewelyn Jones
 * Llewelyn Lewellin
 * Llewelyn Wynne Jones
 * Lleyn sheep
 * Llidiardau
 * Lligwy
 * Lligwy Bay
 * Llinos Medi Huws
 * Lliswerry High School
 * Llithfaen
 * Lliwedd Bach
 * Lloc
 * Llong railway station
 * Lloyd George Avenue
 * Lloyd Jones (Welsh writer)
 * Lloyd Llewellyn-Jones
 * Llunwerth II
 * Llwchwr
 * Llwydcoed railway station
 * Llwydiarth
 * Llwydiarth-Esgob
 * Llwyfan Cerrig railway station
 * Llwyn
 * Llwyn Formation
 * Llwyn Isaf
 * Llwyncelyn, Rhondda Cynon Taf
 * Llwynda-Ddu Camp
 * Llwyngwern railway station
 * Llwyngwril railway station
 * Llwynhendy
 * Llwynmawr
 * Llwynypia railway station
 * Llwytmor
 * Llygad Gŵr
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 * Llyn Aled
 * Llyn Alwen
 * Llyn Arenig Fawr
 * Llyn Bochlwyd
 * Llyn Cwm Bychan
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 * Llyn Eiddwen
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 * Llyn y Gafr Formation
 * Llynfaes
 * Llynfi Road
 * Llynoedd Ieuan
 * Llys Halt railway station
 * Llyswen
 * Llysworney
 * Llywarch Reynolds
 * Llywarch ap Hyfaidd
 * Llywel
 * Llywelyn Aurdorchog
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 * Llywelyn Williams
 * Llywelyn ap Dafydd
 * Llywelyn ap Madog
 * Llywelyn ap Maredudd
 * Llywernog
 * Local Democracy and Boundary Commission for Wales
 * Lock, Hulme & Co.
 * Lockwood Morris & Co
 * Logau-Las
 * Loggerheads, Denbighshire
 * Login Halt railway station
 * London Welsh Amateur
 * Long Hole Cave
 * Long Mountain (Powys)
 * Lord Lieutenant of Clwyd
 * Lord Lieutenant of Powys
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 * Lordship of Bromfield and Yale
 * Lordship of Gower
 * Lort baronets
 * Loss of right in English law
 * Loughor bridge
 * Louie Hennessey
 * Louis Rees-Zammit
 * Lower Brynamman
 * Lower Clydach River
 * Lower Machen
 * Lower Pontnewydd railway station
 * Lowri Roberts
 * Luc Evans
 * Luca Giannini
 * Lucas Cwmbran A.F.C.
 * Ludlow Rural District
 * Luentinum
 * Lukas Carey
 * Luke Davies (rugby union)
 * Luke Fletcher (politician)
 * Luke Ford (rugby union)
 * Luke Morgan (rugby union)
 * Luke Preston
 * Luke Price
 * Luke Scully
 * Luke Yendle
 * Lyn Perkins
 * Lyndon Simmonds
 * Lôn Eifion
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 * M4 motorway Usk bridge
 * Mabon ap Gwynfor
 * Maches
 * Machynlleth F.C.
 * Madog Fychan
 * Madog II ap Gruffydd, Lord of Dinas Bran
 * Madog ap Gwallter
 * Madog ap Rhiryd
 * Maelgwn ab Owain Gwynedd
 * Maelog
 * Maelor Rural District
 * Maelor South
 * Maelrhys
 * Maen-y-groes
 * Maen Huail
 * Maen Madoc
 * Maenaddwyn
 * Maenclochog railway station
 * Maendy Quarry
 * Maenor
 * Maentwrog Road railway station
 * Maes-bangor
 * Maes-yr-Uchaf Wood
 * Maes Hiraddug
 * Maes Tegid
 * Maes y Dre Recreation Ground
 * Maes y Facrell National Nature Reserve
 * Maes y Grug
 * Maescar
 * Maesdu Park
 * Maespoeth Junction
 * Maesteg (Neath Road) railway station
 * Maesteg Castle Street railway station
 * Maestir
 * Maesybont
 * Maesycoed
 * Maesycrugiau railway station
 * Maesyprior
 * Magor Rural District
 * Magor railway station
 * Mahel of Hereford
 * Mai Davies
 * Main river
 * Maindee
 * Maindy
 * Mair Jones
 * Maisie Methuen
 * Maisie Potter
 * Mal Griffiths
 * Mal Lucas
 * Malcolm Dacey
 * Malcolm Hersee
 * Malcolm Squires
 * Mallt-y-Nos
 * Mamhilad
 * Mancot
 * Mandi Haswell
 * Mandinam a Coed Deri
 * Mandy Jones (politician)
 * Manod Mawr
 * Manod Mawr North Top
 * Manod railway station
 * Manon Lloyd
 * Manor House Wildlife Park
 * Manorbier railway station
 * Manordeilo
 * Manordeilo and Salem
 * Mansel Aylward
 * Manselton
 * Mansion House, Swansea
 * Manwgan ap Selyf
 * Marc Limbert
 * Marc Wyatt
 * March 1888 Merthyr Tydfil by-election
 * March law (Anglo-Welsh border)
 * Marchlyn Mawr
 * Marchwiel Hall
 * Marchwiel railway station
 * Marco Loughran
 * Mardy, Monmouthshire
 * Mardy A.F.C.
 * Maredudd ab Owain Glyndŵr
 * Maredudd ab Owain ab Edwin
 * Maredudd ap Cynan ab Owain Gwynedd
 * Maredudd ap Gruffydd
 * Maredudd ap Llywelyn ap Maredudd ap Cynan
 * Maredudd ap Rhobert
 * Maredudd ap Rhys
 * Maredudd ap Tewdws
 * Marford Quarry
 * Margam Halt railway station
 * Margam Moors
 * Margam TMD
 * Margaret Delacourt-Smith, Baroness Delacourt-Smith of Alteryn
 * Margaret Pomeroy
 * Margaret Thomas (hymnwriter)
 * Margo Morgan
 * Mari Ellis Dunning
 * Marian-glas
 * Mariandyrys
 * Marina Towers Observatory
 * Marion Harrison
 * Marion Purcell
 * Mark Anstey
 * Mark Brown (rugby union)
 * Mark Davis (rugby union)
 * Mark Douglas (rugby union)
 * Mark Evans (comedian)
 * Mark Joseph (footballer)
 * Mark Rowley (rugby union)
 * Marloes Mere
 * Marloes and St Brides
 * Marquess of Anglesey's Column
 * Marros-Pendine Coast
 * Marros Group
 * Marteg Halt railway station
 * Martell Bridge Halt railway station
 * Martha'r Mynydd
 * Martin's Haven
 * Martin Williams (priest)
 * Martyn Lewis (badminton)
 * Martyn Morris
 * Marwysgafn
 * Mary Davies (poet)
 * Mary Elizabeth Davies
 * Mary Owen (hymnwriter)
 * Mary Pendrill Llewelyn
 * Mary Stallard
 * Mary Vaughan Jones Award
 * Maryland, Monmouthshire
 * Mason Grady
 * Matt Back
 * Matt Johnson (TV presenter)
 * Matthew Dent (designer)
 * Matthew Dwyer (rugby union)
 * Matthew Hughes (badminton)
 * Matthew Jones (priest)
 * Matthew Nuthall
 * Matthew Taylor (cricketer, born 1999)
 * Matthew Vaughan-Davies, 1st Baron Ystwyth
 * Matthew Wintle
 * Matthewstown Halt railway station
 * Maurice Blayne
 * Maurice Davies (MP)
 * Maurice Evans (footballer, born 1859)
 * Maurice Glynne
 * Maurice Meyricke
 * Mawddach Trail
 * Max Cleworth
 * Max Edwards-Stryjewski
 * Max Llewellyn
 * Max Nagy
 * May Hill Sandstone
 * Mayor of Carmarthen
 * Mayors in Wales
 * Maël (saint)
 * Mechain
 * Mechell
 * Medwyn Evans
 * Megan Barker
 * Meidrim
 * Meidrim Road Section
 * Meillionen railway station
 * Meilyr Brydydd
 * Meinir, Anglesey
 * Meinir Gwilym
 * Meirion Pennar
 * Meirion Williams
 * Meirionnydd Nant Conwy (Assembly constituency)
 * Mel James
 * Mel Meek
 * Melanie Thomas (bowls)
 * Meliden
 * Meliden F.C.
 * Meliden railway station
 * Melin-y-Coed
 * Melindwr
 * Melyncourt Halt railway station
 * Menai Bach, Rhydwyn
 * Menai Bridge Urban District
 * Menna Richards
 * Mental Health (Wales) Measure 2010
 * Menw
 * Meredith Edwards (actor)
 * Meredith Morgan
 * Meredydd Barker
 * Merfyn ap Rhodri
 * Meri Huws
 * Merlin's Oak
 * Merlin James
 * Mermaid Quay
 * Merthyr (Plymouth Street) railway station
 * Merthyr Cynog
 * Merthyr Road railway station
 * Merthyr Tydfil (Cilsanws) Golf Club
 * Merthyr Tydfil College
 * Merthyr Tydfil Electric Tramways
 * Merthyr Tydfil and Aberdare (UK Parliament constituency)
 * Merthyr Tydfil and Rhymney (UK Parliament constituency)
 * Merthyr Tydfil bus station
 * Meurig (bishop)
 * Meurig Williams
 * Meurig ab Ithel
 * Meurig ap Hywel
 * Meurig ap Idnerth
 * Meyrick baronets
 * Michael Collins (rugby union, born 1986)
 * Michael Condon
 * Michael Deacon (bishop)
 * Michael Komor
 * Michael Newbold
 * Michael Price (footballer, born 1982)
 * Michael Roberts (college principal)
 * Michael Scott (academic)
 * Michael Williams (MP)
 * Michael Wixey
 * Michaela Breeze
 * Michaelston-super-Ely
 * Michton
 * Mid-Wales Constabulary
 * Mid Glamorganshire (UK Parliament constituency)
 * Mid Wales South League
 * Mid and South Pembrokeshire (UK Parliament constituency)
 * Middletown, Powys
 * Migneint
 * Mike Doyle (comedian)
 * Mike Gwilym
 * Mike Harris (rower)
 * Mike Knill
 * Mike Poole
 * Mike Preston (curler)
 * Mike Rayer
 * Mike Thomas (author)
 * Mike Walker (tennis)
 * Mike Williams (footballer, born 1956)
 * Milebrook
 * Milford Haven Formation
 * Millennium Coastal Path
 * Milltir Cerrig
 * Milo, Carmarthenshire
 * Minffordd
 * Miskin, Mountain Ash
 * Mochdre, Powys
 * Mochdre Sports F.C.
 * Mochdre with Penstrowed
 * Mochras
 * Moel-y-don
 * Moel-yr-hydd
 * Moel Cynghorion
 * Moel Druman
 * Moel Eilio (Carneddau)
 * Moel Emoel
 * Moel Fferna
 * Moel Gyw
 * Moel Hebog shield
 * Moel Hiraddug
 * Moel Hiraddug Limestone
 * Moel Hiraddug Quarries
 * Moel Lefn
 * Moel Llyfnant
 * Moel Penamnen
 * Moel Tryfan
 * Moel Tŷ Uchaf
 * Moel y Cerrig Duon
 * Moel y Ffridd
 * Moel y Gamelin
 * Moel yr Ogof
 * Moelfre, Conwy
 * Moelfre (hill)
 * Moelfre Isaf
 * Moelfre Lifeboat Station
 * Moelfre Uchaf
 * Moelfryn
 * Moelwyn Bach
 * Moelwyn Mawr
 * Moelwyn Mawr North Ridge Top
 * Moelyci Environmental Centre
 * Mold F.C.
 * Mold Golf Club
 * Mold Railway
 * Mold railway station
 * Mona, Anglesey
 * Monachty
 * Monkswood, Monmouthshire
 * Monkton Old Hall
 * Monmouth Mayhill railway station
 * Monmouth School for Girls Rowing Club
 * Monmouth Troy Goods Yard
 * Monmouthshire Building Society
 * Monmouthshire Way
 * Monnow Valley Studio
 * Monnow Valley Walk
 * Montgomery Town F.C.
 * Montgomeryshire Collections
 * Montgomeryshire County War Memorial
 * Montgomeryshire Football League
 * Montgomeryshire and Glyndŵr (UK Parliament constituency)
 * Moore Gwillim
 * Morawelon
 * Morben
 * Mordaf
 * Moreith ap Aidan
 * Morfa Borth
 * Morfa Harlech National Nature Reserve
 * Morfa Mawddach railway station
 * Morfa Stadium
 * Morfyw
 * Morgan-Botti lecture
 * Morgan Allen
 * Morgan Evans (rugby league)
 * Morgan Hen ab Owain
 * Morgan Jones (broadcaster)
 * Morgan Jones (cricketer)
 * Morgan Jones (railroad builder)
 * Morgan Jones (rugby union)
 * Morgan Knowles
 * Morgan Llwyd
 * Morgan MacRae
 * Morgan Morgan-Owen
 * Morgan Morris
 * Morgan Powell
 * Morgan Rhys
 * Morgan Williams (rugby union, born 1995)
 * Morgan ap Pasgen
 * Morgannwg (journal)
 * Moriah, Ceredigion
 * Mornington Meadows
 * Morriston East railway station
 * Morriston Town A.F.C.
 * Morriston West railway station
 * Morus Dwyfech
 * Moses Davies
 * Moss Halt railway station
 * Moss and Pentre railway station
 * Mostyn railway station
 * Moulton, Vale of Glamorgan
 * Mount Pleasant, Merthyr Tydfil
 * Mountain Ash Cardiff Road railway station
 * Mountain Ash Comprehensive School
 * Mountain Ash Urban District
 * Mounton
 * Mudiad Adfer
 * Mumbles (community)
 * Mumbles Beach
 * Mumbles Hill
 * Mumbles Pier railway station
 * Mumbles Rangers F.C.
 * Mumbles lifeboat disaster
 * Murage
 * Murco Petroleum
 * Mwdwl-eithin
 * Mwnt
 * Mwyngloddfa Castell
 * Mwyngloddfa Cwmystwyth
 * Mwyngloddfa Nantiago
 * My Salah Mat
 * Myarth
 * Myddelton College
 * Myddelton baronets
 * Myddfai Steep Belt
 * Mydroilyn
 * Myfanwy Fychan
 * Myfanwy Talog
 * Mylett Road Section
 * Mynach Falls
 * Mynachdy
 * Mynydd-Bach
 * Mynydd Bach, Ceredigion
 * Mynydd Cambergi
 * Mynydd Ceiswyn
 * Mynydd Drumau
 * Mynydd Drws-y-Coed
 * Mynydd Esgairweddan
 * Mynydd Gartheiniog
 * Mynydd Isa
 * Mynydd Isa F.C.
 * Mynydd Isa Spartans F.C.
 * Mynydd Llandygai
 * Mynydd Llwydiarth
 * Mynydd Maendy
 * Mynydd Marian
 * Mynydd Mawr
 * Mynydd Mechell
 * Mynydd Moel
 * Mynydd Perfedd
 * Mynydd Tal-y-Mignedd
 * Mynydd Ty-Isaf, Rhondda
 * Mynydd Ystyfflau-Carn
 * Mynydd y Cwm
 * Mynydd y Gelli
 * Mynydd y Glyn
 * Mynyddcerrig
 * Mynyddog Mwynfawr
 * Myrddin ap Dafydd
 * Myxococcus llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogochensis
 * NIACE
 * NPTC Group
 * NWCFA Intermediate Cup
 * NWCFA Junior Cup
 * Nadia Lawrence
 * Nancy Evans (table tennis)
 * Nanheudwy
 * Nannerch railway station
 * Nant-y-Belan and Prynela Woods
 * Nant-y-Ffrith
 * Nant-y-derry
 * Nant-y-moch Reservoir
 * Nant-y-moel
 * Nant Brân
 * Nant Ceiswyn
 * Nant Conwy RFC
 * Nant Conwy Rural District
 * Nant Cynnyd
 * Nant Ffrancon Formation
 * Nant Gelliwion Woodland
 * Nant Glas
 * Nant Gwernol railway station
 * Nant Hir Formation
 * Nant Hir Group
 * Nant Irfon National Nature Reserve
 * Nant Llwydiarth
 * Nant Mill
 * Nant Whitton Woodlands
 * Nant y Perfedd
 * Nantclwyd railway station
 * Nantcwnlle
 * Nantewlaeth Colliery Halt railway station
 * Nantgaredig
 * Nantgaredig railway station
 * Nantlle
 * Nantlle Vale F.C.
 * Nantmel
 * Nantyderry railway station
 * Nantyglo and Blaina
 * Nantymoel railway station
 * Nantyronen railway station
 * Narberth Road and Maenclochog Railway
 * Narberth railway station (Wales)
 * Narrative verdict
 * Nasareth
 * Nash-Williams
 * Nash Lighthouse Meadow
 * Nathan Buck (rugby union)
 * Nathan Evans (rugby union)
 * Nathan Williams (rugby union)
 * Nathaniel Thomas (writer)
 * Nathaniel Williams
 * National Address Gazetteer
 * National Amalgamated Labourers' Union
 * National Assembly for Wales (Representation of the People) Order 2007
 * National Cycle Route 88
 * National Library of Wales Journal
 * National Screen and Sound Archive of Wales
 * Nature in Wales
 * Nature of Wales
 * Naunton Wayne
 * Naz Ball
 * Neath & District League
 * Neath Abbey railway station
 * Neath Canal Side railway station
 * Neath Disturbance
 * Neath Indoor Market
 * Neath Port Talbot Hospital
 * Neath Port Talbot Steelers
 * Neath and District Tramways Company
 * Neath and Swansea East (UK Parliament constituency)
 * Nebo, Anglesey
 * Nebo, Gwynedd
 * Nebo Chapel, Ystrad Rhondda
 * Nefyn and District Golf Club
 * Neil Swain
 * Nelson Glam railway station
 * Nelson and Llancaiach railway station
 * Nercwys
 * Nerys Jefford
 * Netball Superleague
 * Neuadd Idris
 * Neuadd Trefawr
 * Neuadd Wilym
 * Neuaddyrynys
 * Neudd-fawr
 * Nevern Bridge
 * Nevill Hall Hospital
 * New Bridge, Newbridge-on-Usk
 * New Brighton, Flintshire
 * New Brighton Villa F.C.
 * New Broughton, Wrexham
 * New Broughton Road Halt railway station
 * New Hedges
 * New Inn Bridge Halt railway station
 * New Panteg RFC
 * New Radnor railway station
 * New Row
 * Newborough Forest
 * Newbridge, Ceredigion
 * Newbridge-on-Usk
 * Newcastle, Monmouthshire
 * Newchurch, Powys
 * Newchurch and Merthyr
 * Newport (Ymerodraeth State of Mind)
 * Newport Bus
 * Newport Cliffs
 * Newport Corinthians F.C.
 * Newport Corporation Tramways
 * Newport Dock Street railway station
 * Newport Ebbw Junction TMD
 * Newport HSOB RFC
 * Newport Market
 * Newport Networks
 * Newport Poor Law Union
 * Newport Retail Park
 * Newport Saracens RFC
 * Newport Technical Institute
 * Newport Unlimited
 * Newport West Central railway station
 * Newport West and Islwyn (UK Parliament constituency)
 * Newport West railway station
 * Newport bus station
 * Newton, Brecknockshire
 * Newton, Porthcawl
 * Newtown, Rhondda Cynon Taf
 * Newtown High School, Powys
 * Newtown Wanderers F.C.
 * Nia Caron
 * Nia Roberts (actress)
 * Nic Reynolds
 * Nicholas Griffith
 * Nicholas Hawkins (MP)
 * Nick Swetman
 * Nicola Cousins
 * Nicola Crawford
 * Nicola Davies (judge)
 * Nicola Lewis
 * Nidum
 * Nigel Edwards (golfer)
 * Nigel Rees (footballer)
 * Nigel Whitehouse
 * Nigel Williams (priest)
 * Nigel Yates
 * Nightingale Court
 * Nikara Jenkins
 * Nine Mile Point Colliery
 * Nine Mile Point railway station
 * Nisien
 * Noel L. Owen
 * Norma Curtis
 * Norman Lloyd-Edwards
 * Norman Matthews
 * Norman Pugh
 * Norman Toutcher
 * North Cornelly
 * North Dock, Llanelli
 * North East Wales Football League
 * North Llanrwst railway station
 * North Stack
 * North Wales Chronicle
 * North Wales Coast East Football League
 * North Wales Coast West Football League
 * North Wales Gazette
 * North Wales Hospital
 * North Wales International Music Festival
 * North Wales Miners' Association
 * North Wales Police and Crime Commissioner
 * North Wales Weekly News
 * North Wales and Liverpool Railway
 * North Wales rugby
 * Northop Hall
 * Northop Hall Country House Hotel
 * Norton, Powys
 * Noson Lawen (TV series)
 * Nuts and Bolts (TV series)
 * O Oes Gwrtheyrn Gwrtheneu
 * Oakdale Colliery
 * Oakdale Hospital
 * Oakenholt
 * Oakford, Ceredigion
 * October 1888 Merthyr Tydfil by-election
 * Off to Philadelphia in the Morning (TV series)
 * Offa's Country
 * Ogilvie Village Halt railway station
 * Ogmore, Vale of Glamorgan
 * Ogmore Vale railway station
 * Ogmore Valley
 * Ogof Draenen
 * Ogof Nadolig
 * Ogwen (electoral ward)
 * Ogwen Group
 * Old Brewery Quarter
 * Old Castle Down
 * Old Church Stoke
 * Old Mortuary Chapel, Carew
 * Old Padeswood Golf Club
 * Old Pulford Brook Meadows
 * Old Radnor
 * Old St. Peter's Church, Llanbedr Dyffryn Clwyd
 * Oldcastle, Monmouthshire
 * Oliver Davies (harpist)
 * Oliver Gwilt
 * Oliver Lloyd
 * Oliver Morris
 * Oliver Pike (cricketer)
 * Oliver Taylor (footballer, born 1869)
 * Olivia Clark
 * Olmarch
 * Olmarch Halt railway station
 * Olway Brook
 * Omar Taylor-Clarke
 * Onllwyn
 * Onny Shale
 * Operation Tân
 * Oriel Ynys Môn
 * Ossie Evans
 * Oswald Davies
 * Overton-on-Dee railway station
 * Overton Rural District
 * Owain Harris-Allan
 * Owain Jones (priest)
 * Owain Owain
 * Owain Taylor
 * Owain Williams (rugby union)
 * Owain ap Caradog
 * Owain ap Dafydd
 * Owain ap Llywelyn ab y Moel
 * Owain ap Maredudd (Dyfed)
 * Owen Caech Ó Dubhda
 * Owen Davies (Baptist minister)
 * Owen Evans (civil servant)
 * Owen Evans (priest)
 * Owen Gwyn
 * Owen Jenkins (priest)
 * Owen Jenkins (rugby union)
 * Owen Lane
 * Owen Morgan (cricketer)
 * Owen Owen (priest)
 * Owen Phillips (priest)
 * Owen Picton Davies (journalist)
 * Owen Powell
 * Owen Roberts (educator)
 * Owen Wood
 * Oystermouth railway station
 * Padeswood and Buckley railway station
 * Painscastle
 * Painscastle Rural District
 * Palmerstown, Vale of Glamorgan
 * Pam John
 * Pamela Hopkins
 * Pandy, Gwersyllt
 * Pandy, Powys
 * Pandy Quarries
 * Pandy Tudur
 * Pandy railway station
 * Panic Shack
 * Pant, Merthyr Tydfil
 * Pant-gwyn, Ceredigion
 * Pant-y-crug
 * Pant Glas
 * Pant Glas railway station
 * Pant Halt railway station
 * Pantasaph
 * Panteg
 * Pantinker
 * Panton Arms Hotel, Pentraeth
 * Pantydwr railway station
 * Pantyffordd Halt railway station
 * Pantyffynnon
 * Pantymwyn
 * Pantysgallog (High Level) Halt railway station
 * Pantysgallog (Low Level) Halt railway station
 * Pantywaun Halt railway station
 * Papur Bro
 * Paradwys
 * Parc, Penrhyndeudraeth
 * Parc-Seymour
 * Parc-llyn
 * Parc-y-Dwrlyn Ground
 * Parc Cynog
 * Parc Linden, Lixwm
 * Parc Slip Colliery
 * Parc Trostre
 * Parc a'r Mynydd
 * Parc y Rhos
 * Parciau
 * Parcyrhun Halt railway station
 * Park, Merthyr Tydfil
 * Park Avenue, Aberystwyth
 * Park House Outbuildings
 * Partrishow
 * Pasgen ap Cyngen
 * Pat Daniels (rugby union)
 * Pat Evans (gymnast)
 * Pat Murphy (Welsh footballer)
 * Pat Perks
 * Patrick Hannan (presenter)
 * Patrick Leary
 * Patrick Palmer (rugby union)
 * Paul Affleck
 * Paul Child (singer)
 * Paul Davies (politician)
 * Paul Knight
 * Paul Mackness
 * Paul Morgan (rugby)
 * Paul Roberts (footballer, born 1977)
 * Paul Taylor (bowls)
 * Pedairffordd Halt railway station
 * Peggy Jackson
 * Pegwn Mawr
 * Pelenna
 * Pelenna (electoral ward)
 * Pemberton, Carmarthenshire
 * Pembrey Airport
 * Pembrey Coast
 * Pembrey Country Park
 * Pembrey and Burry Port Town
 * Pembrey and Burry Port railway station
 * Pembrey railway station
 * Pembroke Limestone Group
 * Pembroke cattle
 * Pembroke railway station
 * Pembrokeshire College
 * Pembrokeshire Historian
 * Pembrokeshire Motor Museum
 * Pen-Llyn
 * Pen-Lôn
 * Pen-Rhiw-Newydd
 * Pen-Ty Pastures & Wood
 * Pen-bont-rhyd-y-beddau
 * Pen-cae
 * Pen-dre
 * Pen-llwyn
 * Pen-rhiw
 * Pen-y-Bont-Fawr
 * Pen-y-Bont railway station
 * Pen-y-Cefn Pasture
 * Pen-y-cae, Powys
 * Pen-y-cae-mawr
 * Pen-y-coedcae
 * Pen-y-fai, Bridgend
 * Pen-y-fan Pond
 * Pen-y-ffordd
 * Pen-y-garnedd
 * Pen-y-graig-goch
 * Pen-y-groes, Carmarthenshire
 * Pen-y-lan, Ceredigion
 * Pen-y-wenallt
 * Pen Bwlch Llandrillo
 * Pen Dal-aderyn
 * Pen Llithrig y Wrach
 * Pen Pumlumon Arwystli
 * Pen Pumlumon Llygad-bychan
 * Pen Rhionydd
 * Pen Tranch
 * Pen y Boncyn Trefeilw
 * Pen y Brynfforchog
 * Pen y Castell
 * Pen y Dre High School
 * Pen yr Allt Uchaf
 * Pen yr Helgi Du
 * Penallt Halt railway station
 * Penallt Viaduct
 * Penally railway station
 * Penarddun
 * Penarth Coast
 * Penarth Head
 * Penarth Quarry
 * Penarth Times
 * Penbedw
 * Penbol
 * Penbontrhydyfoethau
 * Pencader, Carmarthenshire
 * Pencader Junction railway station
 * Pencader railway station
 * Pencarnisiog
 * Pencarreg
 * Penceilogi
 * Penclawdd railway station
 * Pencoed Athletic BGC
 * Pencoed College
 * Pencoed railway station
 * Pencraig, Anglesey
 * Pencreigiau'r Llan
 * Penderyn, Rhondda Cynon Taf
 * Pendine Museum of Speed
 * Penegoes
 * Pengam (Mon) railway station
 * Pengam railway station
 * Pengelli National Nature Reserve
 * Pengenffordd
 * Pengorffwysfa
 * Penhelig railway station
 * Peniarth
 * Peniarth 164
 * Peniarth 259B
 * Peniarth 28
 * Peniarth 32
 * Peniarth 481
 * Peniarth 6
 * Peniel, Carmarthenshire
 * Penisa'r Waun
 * Penlan
 * Penlan Club A.F.C.
 * Penllech
 * Penllyn, Gwynedd
 * Penllyn, Vale of Glamorgan
 * Penmachno Document
 * Penmaen Halt railway station
 * Penmaenmawr Urban District
 * Penmaenpool railway station
 * Penmark
 * Penmorfa
 * Penmorwdd
 * Pennal
 * Pennant, Ceredigion
 * Pennant, Powys
 * Pennant Measures
 * Penparc
 * Penpedairheol, Caerphilly
 * Penpergwm
 * Penpont Manor House
 * Penprysg
 * Penrhiw Priory
 * Penrhiwceiber railway station
 * Penrhiwfer
 * Penrhiwpal
 * Penrhos, Anglesey
 * Penrhos, Gwynedd
 * Penrhos, Monmouthshire
 * Penrhos Cottage
 * Penrhos Country Park
 * Penrhosfeilw
 * Penrhyd Lastra
 * Penrhyn (electoral ward)
 * Penrhyn railway station
 * Penrhyndeudraeth railway station
 * Penrice (community)
 * Pensarn
 * Pensarn, Gwynedd
 * Pensarn railway station
 * Penscynor Halt railway station
 * Pentir
 * Pentir Rhiw railway station
 * Pentraeth railway station
 * Pentre, Ceredigion
 * Pentre-bach, Ceredigion
 * Pentre-bach, Powys
 * Pentre-bach railway station
 * Pentre-gat
 * Pentre-rhew
 * Pentre Bach
 * Pentre Bont
 * Pentre Broughton Halt railway station
 * Pentre Dwr
 * Pentre Gwynfryn
 * Pentre Platform railway station
 * Pentrebach, Swansea
 * Pentrebane
 * Pentrecelyn
 * Pentrechwyth
 * Pentrefelin, Ceredigion
 * Pentrefelin Halt railway station
 * Pentrefelin railway station
 * Pentrellwyn
 * Pentrepiod Halt railway station (Gwynedd)
 * Pentresaeson Halt railway station
 * Pentwyn Deintyr
 * Pentwyn Halt railway station
 * Pentwynmawr Platform railway station
 * Pentyrch railway station
 * Penuwch
 * Penweddig
 * Penybont
 * Penybont, Ceredigion
 * Penybontfawr railway station
 * Penybryn
 * Penychen
 * Penycwm
 * Penydarren B.G.C.
 * Penydarren Park
 * Penygarn, Torfaen
 * Penygraig railway station
 * Penygraigwen
 * Penygroes railway station
 * Penylan Quarry
 * Penymynydd
 * Penyrheol, Caerphilly
 * Penyrheol, Swansea
 * Penyrheol, Trecenydd and Energlyn
 * Penyrheol Comprehensive School
 * Penyrheol Halt railway station
 * Penystrywad
 * Percy James
 * Percy May (gymnast)
 * Percy Watkins
 * Peredur Owen Griffiths
 * Perfedd Hundred
 * Perthcelyn
 * Peryf ap Cedifor
 * Peter Arthur
 * Peter Brooks (priest)
 * Peter Clarke (social worker)
 * Peter Creed
 * Peter Davies (footballer, born 1936)
 * Peter Diversi
 * Peter Francis (rugby union)
 * Peter Griffiths (footballer, born 1862)
 * Peter Maurice (Dean of Bangor)
 * Peter Maurice (priest)
 * Peter Noyes
 * Peter Penry-Jones
 * Peter Pike (priest)
 * Peter Stead (writer)
 * Peter Williams (Welsh Methodist)
 * Peter Williams (footballer, born 1960)
 * Peter Woodman (priest)
 * Peterstone
 * Peterstone Gout
 * Phil Clark (director)
 * Phil John (rugby union, born 1962)
 * Phil Lewis (rugby union)
 * Phil Llewellyn
 * Phil May (rugby union)
 * Phil Price (rugby union)
 * Phil Pugh
 * Philanthropic Order of True Ivorites
 * Philip David
 * Philip Pedlar
 * Philip Powell (martyr)
 * Philip Weekes
 * Phyllis Linton
 * Pickhill Halt railway station
 * Picture Frame Seduction
 * Pierce Lewis
 * Pigeon's Ford
 * Pill A.F.C.
 * Pine Lodge Meadow
 * Pinged railway station
 * Pisgah, Ceredigion
 * Pistyll
 * Pistyll y Llyn
 * Pitt's Head railway station
 * Placid Casual
 * Plaid Glyndŵr
 * Plas Cwmcynfelin
 * Plas Gwyn
 * Plas Gwynant
 * Plas Halt railway station
 * Plas Llanfair
 * Plas Llanstephan
 * Plas Power railway station (Wrexham, Mold and Connah's Quay Railway)
 * Plas Power railway station (Wrexham and Minera Railway)
 * Plas Tan y Bwlch
 * Plas Uchaf Formation
 * Plaskynaston Lane
 * Plasmarl railway station
 * Plastic Raygun
 * Plethyn
 * Plough Lane Chapel, Brecon
 * Pluck Lake
 * Pochin Pits Colliery Platform railway station
 * Poetry Wales
 * Point of Ayr Colliery Company
 * Ponkey Crossing Halt railway station
 * Pont-Hwfa
 * Pont-rhyd-y-groes
 * Pont-y-Pant railway station
 * Pont-y-gwaith
 * Pont Aberarth
 * Pont Bodefail
 * Pont Bodfel
 * Pont Books
 * Pont Ceri
 * Pont Henri
 * Pont Lliw railway station
 * Pont Paith
 * Pont Rug (Halt) railway station
 * Pont Treseli
 * Pont y Ddraig
 * Pont y Fenni Quarry and Road Cutting
 * Pont y Gilfach
 * Pontardawe Festival
 * Pontardawe Tinplate Works
 * Pontardawe railway station
 * Pontarddulais Comprehensive School
 * Pontarddulais Park
 * Pontarddulais Town A.F.C.
 * Pontarsais
 * Pontblyddyn
 * Pontcynon
 * Pontdolgoch
 * Pontdolgoch railway station
 * Ponterwyd
 * Pontfadog
 * Ponthenry railway station
 * Ponthir
 * Ponthirwaun
 * Pontllanfraith A.F.C.
 * Pontllanfraith Low Level railway station
 * Pontlliw
 * Pontlliw and Tircoed
 * Pontlottyn
 * Pontlottyn Blast Furnace F.C.
 * Pontlottyn railway station
 * Pontrhyd-Saeson
 * Pontrhydfendigaid
 * Pontrhydyfen railway station
 * Pontrhythallt railway station
 * Pontrobert
 * Pontsarn Halt railway station
 * Pontsiân
 * Pontsticill
 * Pontwalby Halt railway station
 * Pontyates railway station
 * Pontyberem
 * Pontyberem railway station
 * Pontycymer
 * Pontycymmer railway station
 * Pontygwaith
 * Pontygwaith Halt railway station
 * Pontymoile
 * Pontypool Clarence Street railway station
 * Pontypool Crane Street railway station
 * Pontypridd Chronicle
 * Pontypridd High School
 * Pontyrhyl railway station
 * Pool Quay railway station
 * Popton Fort
 * Port Penrhyn
 * Port Talbot Lifeboat Station
 * Port Tennant
 * Portbury Shipyard railway station
 * Porth-y-Felin
 * Porth Ceiriad
 * Porth Neigwl
 * Porth railway station
 * Porthcawl Comprehensive School
 * Porthcawl Lifeboat Station
 * Portheiddy Moor
 * Porthkerry Viaduct
 * Porthmadog Urban District
 * Porthmadog railway station
 * Portmead
 * Potter's Electric News
 * Powys (surname)
 * Powys Digital History Project
 * Powys Teaching Health Board
 * Powysland Club
 * Prano Bailey-Bond
 * Pren-gwyn
 * Prenteg
 * Presbyterian Chapel, Rossett
 * Prestatyn Chapel Street railway station
 * Prestatyn Coal Company
 * Prestatyn Community Hospital
 * Prestatyn High School
 * Prestatyn Sports F.C.
 * Prestatyn and Rhyl Panthers
 * Presteign railway station
 * Price Town
 * Price White
 * Prifardd
 * Prince Charles Hospital
 * Princess of Wales Hospital
 * Principal council
 * Prisoners' Education Trust
 * Probyn-Jones baronets
 * Proceedings of the South Wales Institute of Engineers
 * Pryce baronets
 * Prydain
 * Prys-Iorwerth
 * Pryse's Cambrian Book Register
 * Pumlumon Cwmbiga
 * Pumlumon Fach
 * Puncheston railway station
 * Pwll
 * Pwll-y-Pant railway station
 * Pwll Dwfn
 * Pwll Fanog wreck
 * Pwll Lagoon
 * Pwlldu Bay
 * Pwllfanogl
 * Pwllgloyw
 * Pwllmeyric
 * Pwllywrach
 * Quadrant Shopping Centre
 * Quakers Yard and Merthyr Railway
 * Qualifications, Curriculum and Assessment Authority for Wales
 * Quarter Bach
 * Queensferry railway station
 * Quentin Berriman
 * R. Geraint Gruffydd
 * RAF Prestatyn
 * Rachub
 * Radnor Valley F.C.
 * Radyr Motive Power Depot
 * Rae Howells
 * Rae Jenkins
 * Raer Theaker
 * Raglan Footpath railway station
 * Raj Popat
 * Ralph Bigland (born 1757)
 * Ralph Jones (footballer)
 * Randolph Thomas
 * Rassau
 * Ray Booth
 * Ray Pulis
 * Ray Williams (bowls)
 * Ray Williams (rugby union, born 1927)
 * Raymond Garlick
 * Raymond Glendenning
 * Raymond Renowden
 * Rebecca Television
 * Recreation Ground, Caersws
 * Red Bull Unleashed
 * Red Lion Hill
 * Red Marl Group
 * Red Wharf Bay
 * Redhill Mudstone
 * Rees David
 * Reginald Brian
 * Reginald Clarry
 * Reginald Hathway
 * Registered Teacher Programme
 * RenewableUK Cymru
 * Reports and Transactions, Cardiff Naturalists' Society
 * Residuary Body for Wales
 * Resolven
 * Resolven (electoral ward)
 * Resolven railway station
 * Rest Bay
 * Restaurant James Sommerin
 * Reuben Davies
 * Reuben Humphreys
 * Reuben Morgan-Williams
 * Reynoldston
 * Rhain ap Cadwgan
 * Rhain ap Maredudd
 * Rhain the Irishman
 * Rhandirmwyn
 * Rhayader Castle
 * Rhayader Rural District
 * Rhedyw
 * Rheidol Falls railway station
 * Rheidol Power Station
 * Rheinallt Nantlais Williams
 * Rheola, Wales
 * Rheon James
 * Rhes-y-cae
 * Rhewl (Llanynys, Denbighshire)
 * Rhewl railway station
 * Rhiangoll
 * Rhiannon Henry
 * Rhidian
 * Rhidian Brook
 * Rhigos Halt railway station
 * Rhipinllwyd
 * Rhirid Flaidd
 * Rhiryd ap Bleddyn
 * Rhiw Goch
 * Rhiw Valley Light Railway
 * Rhiwaedog
 * Rhiwallon ap Cynfyn
 * Rhiwargor
 * Rhiwbina railway station
 * Rhiwderin
 * Rhiwderin Congregational Chapel
 * Rhiwfawr
 * Rhiwfron railway station
 * Rhiwlas Formation
 * Rhiwsaeson
 * Rhoda Willis
 * Rhodri Davies (rugby union)
 * Rhodri Evans
 * Rhodri Lewis
 * Rhodri Thomas
 * Rhodri ab Idwal Foel
 * Rhodri ap Gruffudd
 * Rhodri ap Hyfaidd
 * Rhodri ap Hywel
 * Rhondda Labour and Liberal Association
 * Rhondda Rebels
 * Rhondda and Ogmore (UK Parliament constituency)
 * Rhondda by-pass
 * Rhoose Point
 * Rhos-on-Sea Golf Club
 * Rhos-y-garth
 * Rhos-y-gwaliau
 * Rhos (GWR) railway station
 * Rhos Blaen Carrog
 * Rhos Bwlch-y-rhandir
 * Rhos Cefn Hir
 * Rhos Cruglas
 * Rhos Dolau-Bran
 * Rhos Fawr
 * Rhos Fullbrook
 * Rhos Gellie
 * Rhos Goch National Nature Reserve
 * Rhos Llawr Cwrt National Nature Reserve
 * Rhos Pwllygawnen
 * Rhos railway station
 * Rhoscolyn
 * Rhosddu Halt railway station
 * Rhosgadfan
 * Rhosgoch
 * Rhosgoch railway station
 * Rhosmeirch
 * Rhosneigr
 * Rhosrobin Halt railway station
 * Rhostryfan
 * Rhostryfan railway station
 * Rhostyllen railway station
 * Rhosydd
 * Rhosydd Castell-du & Plas-y-bettws
 * Rhosygadair Newydd
 * Rhosymedre
 * Rhosymedre Halt railway station
 * Rhosyr
 * Rhosyr (cantref)
 * Rhuallt
 * Rhuawn Bebyr
 * Rhuddlan, Ceredigion
 * Rhun ab Owain Gwynedd
 * Rhwydrys
 * Rhychwyn
 * Rhyd, Ceredigion
 * Rhyd, Gwynedd
 * Rhyd-Meirionnydd
 * Rhyd-Rosser
 * Rhyd-ddu
 * Rhyd-lwyd
 * Rhyd-uchaf
 * Rhyd-y-Beillen
 * Rhyd-y-Marchogion
 * Rhyd-y-Saint railway station
 * Rhyd y Foel
 * Rhydargaeau
 * Rhydcymerau
 * Rhydderch (bishop)
 * Rhyddfedd Frych
 * Rhydowen
 * Rhydowen Halt railway station
 * Rhydwyn
 * Rhydyclafdy
 * Rhydyfelin (High Level) Halt railway station
 * Rhydymwyn railway station
 * Rhydyn Hall
 * Rhygyfarch
 * Rhyl/Prestatyn Built-up area
 * Rhyl Coasters
 * Rhyl Dragons F.C.
 * Rhyl Flats
 * Rhyl High School
 * Rhys Anstey
 * Rhys Britton
 * Rhys Bwtting
 * Rhys Cadwaladr
 * Rhys Davies (rugby union, born February 1998)
 * Rhys Davies (rugby union, born November 1998)
 * Rhys Enoch
 * Rhys Fawr ap Maredudd
 * Rhys Gethin
 * Rhys Goch Eryri
 * Rhys Henry
 * Rhys Jenkins (rugby union)
 * Rhys Jenkins (runner)
 * Rhys Powell
 * Rhys Prichard
 * Rhys Vaughan
 * Rhys Williams (rugby union, born 1979)
 * Rhys ab Owen
 * Rhys ap Robert
 * Rice Rees
 * Richard Avent
 * Richard Barratt
 * Richard Barrett (composer)
 * Richard Bassett (priest)
 * Richard Benyon (gymnast)
 * Richard Brunstrom
 * Richard Bulkeley, 3rd Viscount Bulkeley
 * Richard Cole-Hamilton
 * Richard Cornwall (died 1569)
 * Richard Cyril Hughes
 * Richard Davies (archdeacon of Brecon)
 * Richard Delabere
 * Richard Diplock
 * Richard Donovan (rugby union)
 * Richard Fothergill (ironmaster)
 * Richard Gay (field hockey)
 * Richard Gough (Welsh footballer)
 * Richard Gwynn
 * Richard Harford
 * Richard Hersee
 * Richard Hughes (archdeacon of Bangor)
 * Richard Jarrett
 * Richard Jones (bishop)
 * Richard Jones (footballer, born 1875)
 * Richard Jones (footballer, born 1878)
 * Richard Jones (footballer, born 1879)
 * Richard Langford (priest)
 * Richard Lewis (bishop of Llandaff)
 * Richard Mackenzie Williams
 * Richard Mason (Welsh author)
 * Richard Meredyth Richards
 * Richard Nanney
 * Richard Newcombe (priest)
 * Richard Owen (priest)
 * Richard Owen Jones
 * Richard P. Howell
 * Richard Parry (bishop)
 * Richard Parry Williams
 * Richard Price (Radnor MP)
 * Richard Puskyn
 * Richard Rees (rugby union)
 * Richard Rice Thomas
 * Richard Richards (1787–1860)
 * Richard Roberts (priest)
 * Richard Vaughan (judge)
 * Richard Venables
 * Richard Ward (priest)
 * Richard William Dafydd
 * Richard William Davies
 * Richard Williams Morgan
 * Richard Wintle
 * Richard Young (bishop of Rochester)
 * Richmond Park, Carmarthen
 * Rico Zulkarnain
 * Ridgeway, Newport
 * Rio Dyer
 * Riot City Ravens
 * Risca Community Comprehensive School
 * Risca and Pontymister railway station
 * Risen (2010 film)
 * River Adda (Wales)
 * River Aled
 * River Alun, Pembrokeshire
 * River Amman
 * River Arrow, Wales
 * River Arth
 * River Artro
 * River Banwy
 * River Brenig
 * River Cain
 * River Carno
 * River Cegidog
 * River Clydach, Monmouthshire
 * River Clydach (Neath)
 * River Clywedog, Denbighshire
 * River Cynon
 * River Cywyn
 * River Dulais
 * River Dulas
 * River Eitha
 * River Elwy
 * River Ffyddion
 * River Geirionydd
 * River Gele
 * River Giedd
 * River Gwendraeth
 * River Gwili
 * River Hawen
 * River Ithon
 * River Lliedi
 * River Llugwy
 * River Machno
 * River Rhaeadr
 * River Solva
 * River Terrig
 * River Trothy
 * River Vyrnwy
 * River Wheeler
 * River Wnion
 * Riverside, Newport
 * Roath railway station
 * Rob Appleyard
 * Rob Sherman (football manager)
 * Rob Sutherland
 * Robert Albert Jones
 * Robert Allen (Baptist minister)
 * Robert Anderson Evans
 * Robert Bird (Welsh politician)
 * Robert C. Hastie
 * Robert Edwards (pirate)
 * Robert Ellis (clergyman)
 * Robert Evans (Master of Magdalene)
 * Robert Gruffydd
 * Robert Jones (Labour politician)
 * Robert Jones (Welsh composer)
 * Robert McMillan (footballer)
 * Robert Minhinnick
 * Robert Morris (Welsh footballer)
 * Robert Myddelton Biddulph (1805–1872)
 * Robert Robotham (priest)
 * Robert Salesbury
 * Robert Watkin Wynne
 * Robert White (priest)
 * Robert Williams (archdeacon of Carmarthen)
 * Robert Williams (archdeacon of Gower)
 * Robert Williams (died 1763)
 * Robert Williams (physician)
 * Robert Williams (poet)
 * Robeston Wathen Quarries
 * Robin Davies
 * Robin Llywelyn
 * Robin Parfitt
 * Robin Williams (physicist)
 * Robson Blake
 * Robyn Léwis
 * Rock climbing in Wales
 * Rocky Valley Halt railway station
 * Roderick Jones (baritone)
 * Roger Adams (printer)
 * Roger Bidgood
 * Roger Blake
 * Roger Blyth
 * Roger Cradock
 * Roger Evans (footballer)
 * Roger Green (rugby league)
 * Roger Hughes (priest)
 * Roger Jones (bowls)
 * Roger Mostyn (footballer)
 * Roger Vaughan (of Clyro)
 * Roger Vaughan of Porthamal
 * Roger Yeoman
 * Rogerstone A.F.C.
 * Roland Mathias
 * Roland Thomas
 * Roman Walker
 * Ron Hugh
 * Ron Jones (businessman)
 * Ron Wynn (footballer)
 * Ronald James Tree
 * Ronan Vibert
 * Ronnie Flanagan
 * Ronnie Morris (rugby union)
 * Ronnie Williams (footballer)
 * Rose Cottage, Ruthin
 * Rose Mary Crawshay
 * Rose Thomas (field hockey)
 * Rosebush railway station
 * Rossett Hall
 * Rossett railway station
 * Roundton Hill
 * Rovi (magician)
 * Rowland Ap Meredydd
 * Rowland Ellis (bishop)
 * Rowland Fothergill
 * Rowland Gwynne
 * Rowland Prichard
 * Rowland Williams (priest)
 * Rownd a Rownd
 * Roy Burnett
 * Roy Davies (bishop)
 * Roy Evans (table tennis)
 * Roy Saunders (author)
 * Royal Alexandra Hospital, Rhyl
 * Royal Institution of South Wales
 * Royal Oak Foundation
 * Royal Society of Architects in Wales
 * Ruabon/Llantysilio Mountains and Minera
 * Ruby Levick
 * Ruby Miller (cyclist)
 * Rudry
 * Rugby League Amateur Four Nations
 * Rugby League Conference Welsh Championship
 * Rumney Quarry
 * Ruqaya Izzidien
 * Ruth Hussey (doctor)
 * Ruth Jên
 * Ruth Martin-Jones
 * Ruthin Union Workhouse
 * Ruthin and Cerrig-y-Drudion Railway
 * Ruthin railway station
 * Ryan Elias
 * Ryan George
 * Ryan Hillier
 * Ryan Viggars
 * Ryan Watkins
 * Ryan Wilkins
 * Ryan Woodman
 * Ryan and Ronnie
 * S4C Authority
 * S4C Dau
 * SC2 (leisure complex)
 * SP Manweb
 * SS Mael and Sulien's Church, Corwen
 * Sadyrnfyw
 * Sailors' Chapel, Angle
 * Saint Bugi
 * Saint Dunod
 * Saint Edeyrn
 * Saint Egwad
 * Saint Eigrad
 * Saint Flewyn
 * Saint Gwenfyl
 * Saint Ilid
 * Saint Illtyd's Walk
 * Saint Ina
 * Saint Isan
 * Saint Issel
 * Saint Llamined
 * Saint Llechid
 * Saint Llibio
 * Saint Peirio
 * Saint Rhian
 * Saint Tecwyn
 * Saint Tegai
 * Saint Trillo
 * Saint Tudglyd
 * Saleem Kidwai (Muslim Council of Wales)
 * Salem, Ceredigion
 * Saltney Ferry railway station
 * Sam Costelow
 * Sam Davies (cricketer)
 * Sam Davies (footballer, born 1894)
 * Sam Fenwick
 * Sam Jones (Welsh footballer)
 * Sam Moore (rugby union)
 * Sam Rowlands
 * Sam Wainwright
 * Samantha Quayle
 * Sampson Lort
 * Samson Lee
 * Samuel Brookes
 * Samuel Davies (priest)
 * Samuel Jones (footballer, born 1866)
 * Samuel Jones (footballer, born 1870)
 * Samuel Kurtz
 * Samuel Richardson (High Sheriff)
 * Sanddef
 * Sandfields East
 * Sandy, Carmarthenshire
 * Sandy Griffiths
 * Sandycroft
 * Sandycroft railway station
 * Sarah Jones (field hockey)
 * Sarah Lianne Lewis
 * Sarah Loosemore
 * Sarah Thomas (badminton)
 * Sarah Wiltshire
 * Sarah Wixey
 * Sardis, south Pembrokeshire
 * Sardis, southeast Pembrokeshire
 * Sardis Road
 * Sarn, Bridgend
 * Sarn Badrig
 * Sarn Gynfelyn
 * Sarn Meyllteyrn
 * Sarn railway station
 * Sarn y Bwch
 * Sarnau railway station
 * Saron, Carmarthenshire
 * Saunders Davies
 * Saundersfoot railway station
 * Saundersfoot to Telpyn Coast
 * Saxon Jenkins
 * Scafell Halt railway station
 * Schools Council
 * Scott Matthews (rugby union)
 * Scott Otten
 * Scott Phillips (cricketer)
 * Scott Williams (footballer)
 * Sealand, Flintshire
 * Sealand Rifle Range Halt railway station
 * Sean Griffiths
 * Secondary Schools Examinations Council
 * Sefnyn
 * Seisyll Bryffwrch
 * Selattyn
 * Selwyn Closs-Parry
 * Selwyn Griffith
 * Selyf ap Cynan
 * Senghenydd railway station
 * Senior Presiding Judge for England and Wales
 * Senni Beds
 * Sennybridge
 * Seren Cymru
 * Seren Gibson
 * Seren Gomer
 * Seren Stiwdios
 * Sesswick Halt railway station
 * Severn Bridge Railway
 * Sevira, daughter of Maximus
 * Sgorio
 * Sgorio Cymru
 * Shadrach Pryce
 * Shaftesbury, Newport
 * Sharon Morris
 * Shaun Chapple
 * Shelim Hussain
 * Shelter Cymru
 * Sherman Theatre
 * Shirley Griffiths (priest)
 * Sholeshook Limestone
 * Shotton Lagoons and Reedbeds
 * Shrapnel (Welsh punk band)
 * Sian Adey-Jones
 * Sian Eleri
 * Sian Harries
 * Sian Morris
 * Sian Phillips (musician)
 * Sibrydion
 * Sid Lawrence
 * Sikhism in Wales
 * Silian, Ceredigion
 * Simon Brooks
 * Simon Davies (Welsh TV presenter)
 * Simon Lloyd (archdeacon of Merioneth)
 * Simon Mathews
 * Simon Thelwall (MP died 1586)
 * Simon Thelwall (MP died 1663)
 * Simon Yorke (1903–1966)
 * Simwnt Fychan
 * Singleton Abbey
 * Sion Bebb
 * Sion Bennett
 * Sion Jones (rugby league)
 * Sion Morris
 * Sion Parry
 * Siop Nain
 * Sir Charles Kemeys, 2nd Baronet
 * Sir Charles Kemeys, 3rd Baronet
 * Sir Charles Lloyd, 1st Baronet, of Milfield
 * Sir Charles Tynte, 5th Baronet
 * Sir David Llewellyn, 1st Baronet
 * Sir Edward Stradling, 5th Baronet
 * Sir John Philipps, 4th Baronet
 * Sir John Philipps, 6th Baronet
 * Sir John Stepney, 3rd Baronet
 * Sir John Stepney, 8th Baronet
 * Sir John Stradling, 1st Baronet
 * Sir Nicholas Williams, 1st Baronet
 * Sir Rhys Llewellyn, 2nd Baronet
 * Sir Richard Fowler, 2nd Baronet
 * Sir Richard Wynn, 4th Baronet
 * Sir Robert Salusbury, 1st Baronet
 * Sir Robert Thomas, 1st Baronet
 * Sir Robert Vaughan, 2nd Baronet
 * Sir Roger de Pulesdon
 * Sir Thomas Powell, 1st Baronet
 * Sir William Owen, 4th Baronet
 * Sirhowy Valley Ridgeway Walk
 * Sirhowy railway station
 * Sisilia Tuipulotu
 * Siwan (play)
 * Siân James (musician)
 * Siân Melangell Dafydd
 * Siôn Ceri
 * Siôn Tudur
 * Siôn ap Hywel
 * Skenfrith Hundred
 * Skint (2013 TV series)
 * Skomer Marine Conservation Zone
 * Skomer vole
 * Slade Bay
 * Slade Mudstone
 * Sling, Anglesey
 * Snatchwood
 * Snatchwood Halt railway station
 * Snead, Powys
 * Snowsport Cymru/Wales
 * Soar, Anglesey
 * Soar, Gwynedd
 * Soar, Powys
 * Soar Chapel, Hirwaun
 * Social care in Wales
 * Society of the Sacred Cross
 * Sonia Edwards
 * Sonia Lawrence
 * Sonny Gibbon
 * Sonny Lewis
 * Sontley Marsh
 * South Cornelly
 * South Hook Fort
 * South Pembrokeshire Hospital
 * South Pit Halt railway station
 * South Stack Cliffs RSPB reserve
 * South Stack Formation
 * South Wales Aviation Museum
 * South Wales Business School
 * South Wales Guardian
 * South Wales Institute of Engineers
 * South Wales Joint Scientific Investigation Unit
 * South Wales Police and Crime Commissioner
 * South Wales Record Society
 * South Wales Senior League
 * South Wales Socialist Society
 * South West Wales Integrated Transport Consortium
 * South West Wales Publications
 * Southend railway station (Mumbles)
 * Southerndown
 * Southerndown Golf Club
 * Southsea, Wrexham
 * Spencer Ellis
 * Spike (Welsh guitarist)
 * Spinnies, Aberogwen
 * Spring Quarry Limestone
 * St-y-Nyll Platform railway station
 * St. Arvans
 * St. Brides Wentloog
 * St. Julian's railway bridge
 * St. Maughan's Formation
 * St. Maughans
 * St. Melyd Golf Links railway station
 * St Ann's Head Lighthouse
 * St Anne's Church, Cefn Hengoed
 * St Asaph City F.C.
 * St Asaph railway station
 * St Athan Road
 * St Briavels railway station
 * St Brides-super-Ely
 * St Brides Bay
 * St Brides Major
 * St Cadocs/Penygarn
 * St Catherine's Church, Llanfaes
 * St Cawrdaf's Church, Llangoed
 * St Ceinwen's Church, Llangeinwen
 * St Cenydd Comprehensive School
 * St Clare's School, Newton
 * St Clears railway station
 * St Cyngar's Church, Llangefni
 * St David's Church, Abergwili
 * St David's Church, Bettws
 * St David's College, Llandudno
 * St David's Head
 * St David's Welsh Church, Rhosllanerchrugog
 * St David Awards
 * St Davids Lifeboat Station
 * St Deiniol's Church, Criccieth
 * St Dials
 * St Donats
 * St Dwywe's Church
 * St Dyfnan's Church, Llanddyfnan
 * St Dyfrig's Church, Treforest
 * St Elidan's Church, Llanelidan
 * St Elli Church, Llanelli
 * St Garmon's Church, Capel Garmon
 * St George, Conwy
 * St Gwenfaen's Church, Rhoscolyn
 * St Harmon
 * St Harmons railway station
 * St Hilary's Chapel
 * St Illtyd's Church, Llanhilleth
 * St Illtyd's Motte
 * St Ishmael, Carmarthenshire
 * St James's Church, Manorbier
 * St James's Church, Pyle
 * St John's Church, Dowlais
 * St John's Church, Maindee
 * St John's Church, Trofarth
 * St John's College, Cardiff
 * St John Lloyd Catholic Comprehensive School
 * St John the Evangelist's Church, Mold
 * St Joseph's Roman Catholic Church, Colwyn Bay
 * St Jude's Church, Swansea
 * St Llwydian's Church, Heneglwys
 * St Maelog's Church, Llanfaelog
 * St Mary's Church, Cardigan
 * St Mary's Church, Coity Higher
 * St Mary's Church, Glyntaff
 * St Mary's Church, Kidwelly
 * St Mary's Church, Llannerch-y-medd
 * St Mary's Church, Llanrwst
 * St Mary's Church, Maestir
 * St Mary's Church, Menai Bridge
 * St Mary's Church, Northop Hall
 * St Mary's and St Nicholas's Church, Beaumaris
 * St Matthew's Church, Abernant
 * St Michael's Church, Brynford
 * St Michael's Church, Llanfihangel Din Sylwy
 * St Michael's Church, Penbryn
 * St Michael's Church, Penrhoslligwy
 * St Michael's Church, Pillgwenlly
 * St Morhaiarn's Church, Gwalchmai
 * St Nicholas, Vale of Glamorgan
 * St Nicholas and Bonvilston
 * St Peter's Church, Newborough
 * St Rhwydrys's Church, Llanrhwydrys
 * St Richard Gwyn Catholic High School, Barry
 * St Sadwrn's Church, Llansadwrn
 * St Tathan's Church
 * St Tudwal's Lighthouse
 * St Tysilio's Church, Menai Bridge
 * St Winefride's Halt railway station
 * Stac Rhos
 * Stackpole and Castlemartin
 * Stafford Common
 * Stan Davies
 * Stan Morgan
 * Stan Stennett
 * Stanley Leigh
 * Stanley Powell
 * Stanleytown, Rhondda Cynon Taf
 * Stanner Halt railway station
 * Stanner Rocks
 * Star Crossing Halt railway station
 * Statue of David Lloyd George, Parliament Square
 * Steel Company of Wales
 * Steff Evans
 * Steffan Thomas
 * Stelvio House, Newport
 * Stephanie Burgis
 * Stephanie Williams (Welsh footballer)
 * Stephen Bayley
 * Stephen Clarke (archaeologist)
 * Stephen Gomes
 * Stephen J. Bush
 * Stephen N. Williams
 * Stephen Parry (Welsh MP)
 * Stephen Patrington
 * Stephen Pugh
 * Stephen Terry
 * Steve Doyle
 * Steve Harris (bowls)
 * Steve Hill (bowls)
 * Steve James (Christian musician)
 * Steve Jones (footballer, born 1964)
 * Steve Mackreth
 * Steve Scott (footballer)
 * Stormy Down
 * Storws Wen Golf Club
 * Stradey
 * Strumble Head - Llechdafad Cliffs
 * Stryd-y-Facsen
 * Stryt Las a'r Hafod
 * Stuart Bell (bishop)
 * Stuart Cornes
 * Stuart Gallacher
 * Stuart James Hutchings
 * Stuart Parfitt
 * Stuart Russell (rugby union)
 * Studia Celtica
 * Sue Pinnington
 * Sugar Loaf, Carmarthenshire
 * Sulien
 * Sully Beds
 * Sully and Lavernock
 * Summit tram stop
 * Sun Bank Halt railway station
 * SuperDragons
 * Superintendent registrar
 * Surf Life Saving Association of Wales
 * Sutton, Vale of Glamorgan
 * Sutton stone
 * Swansea Bay Sea School
 * Swansea Bay railway station
 * Swansea Borough Police
 * Swansea Central police station
 * Swansea County Borough Council
 * Swansea East Dock railway station
 * Swansea Festival of Music and the Arts
 * Swansea Herald of Wales
 * Swansea History Journal
 * Swansea Indoor Bowls Stadium
 * Swansea Mosque
 * Swansea Pride
 * Swansea Riverside railway station
 * Swansea St Thomas railway station
 * Swansea Vale
 * Swansea Valley
 * Swansea Victoria railway station
 * Swansea Wind Street railway station
 * Swansea bus station
 * Swellies
 * Swffryd
 * Swim Wales
 * Swiss Valley Reservoir
 * Sydallt
 * Sydney Chappell
 * Sydney Darvell
 * Sygun Copper Mine
 * Sylfaen railway station
 * Synod of Brefi
 * Synod of Victory
 * Sôr Brook
 * T. Glynne Davies
 * T. Harri Jones
 * T. Ifor Rees
 * T. J. Morgan
 * T. James Jones
 * T. Marchant Williams
 * T. Rhys Thomas
 * Table Tennis Association of Wales
 * Taeog
 * Tafarn-y-Gelyn
 * Tafarnaubach
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 * Terence Robbins
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 * Teulyddog
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 * Thomas Babington Jones
 * Thomas Bailey (footballer, born 1904)
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 * Thomas Davies (footballer, born 1865)
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 * Thomas Williams (dean of Bangor)
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 * Thomas brothers (mediums)
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 * Tom Bryant (harpist)
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 * Transport (Wales) Act 2006
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 * WWT Llanelli Wetlands Centre
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 * Wales men's national field hockey team
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 * Wallis Moor
 * Wallis Walters
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 * Walter Vaughan (MP for Carmarthenshire)
 * Walter Wilkins (1741–1828)
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 * Wenallt
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 * Wes Packer
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 * William Lewis, 3rd Baron Merthyr
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 * William Morgan (cricketer, born 1862)
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 * William Rees (archdeacon of St Asaph)
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 * William Robinson (died 1717)
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 * Willie Arnold
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 * Ỽ
 * 1980 Welsh Professional Championship
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 * Aber Llwchwr
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 * Battle of Argoed Llwyfain
 * Ben Thomas (bowls)
 * Benton Volcanic Group
 * British & Irish Lions (women)
 * Clifford Williams (politician)
 * Coblyn
 * Colin Noon
 * Dai Davies (trade unionist)
 * Deborah Manship
 * Delyth Evans
 * Ednyfed Hudson Davies
 * Emily Thomas (gymnast)
 * Ernest Bennett (politician)
 * Gareth Miles
 * George Barker (British politician)
 * George Daggar
 * Gruffudd ab yr Ynad Coch
 * Gwyn R Price
 * Gwyneth Glyn
 * Harold Finch
 * Helen Prothero-Lewis
 * Hugh Hughes (trade unionist)
 * Idwal Jones (politician)
 * Iorwerth Thomas
 * Irene James
 * James Edmunds (British politician)
 * James Walker (Labour politician)
 * John Evans (Ogmore MP)
 * John Henry Williams (politician)
 * Morgan Jones (British politician)
 * Quar Park Rangers F.C.
 * Richard Pryse (of Gogerddan)
 * Robert Richards (Welsh politician)
 * Sarah Mansbridge
 * Talgarth Town F.C.
 * Ted Williams (politician)
 * Thomas Richards (Welsh politician)
 * Tom Middlehurst
 * Tyfaelog
 * Val Lloyd
 * Welsh League North
 * Will John (politician)
 * William Edwards (British politician)
 * William Jenkins (Labour politician)
 * Win Griffiths
 * Zak Lee-Green

List-Class

 * 2019 in Wales
 * Districts of Wales
 * Family tree of Welsh monarchs
 * Iron Age tribes in Britain
 * List of English words of Welsh origin
 * List of Welsh flags
 * List of Welsh inventions and discoveries
 * List of Welsh people
 * List of Welsh women
 * List of built-up areas in Wales by population
 * List of cities in Wales
 * List of communities in Wales
 * List of companies of Wales
 * List of first ministers of Wales
 * List of islands of Wales
 * List of museums in Wales
 * List of rulers in Wales
 * List of tourist attractions in Wales
 * List of towns in Wales
 * Lists of places in Wales
 * Lists of scheduled monuments in Wales
 * Members of the 4th National Assembly for Wales
 * Outline of Wales
 * Richard Burton on stage, screen, radio and record
 * 1720s in Wales
 * 1724 in Wales
 * 1732 in Wales
 * 1740 in Wales
 * 1741 in Wales
 * 1742 in Wales
 * 1743 in Wales
 * 1744 in Wales
 * 1745 in Wales
 * 1746 in Wales
 * 1747 in Wales
 * 1748 in Wales
 * 1749 in Wales
 * 1750 in Wales
 * 1751 in Wales
 * 1752 in Wales
 * 1753 in Wales
 * 1754 in Wales
 * 1755 in Wales
 * 1756 in Wales
 * 1757 in Wales
 * 1758 in Wales
 * 1759 in Wales
 * 1760 in Wales
 * 1761 in Wales
 * 1762 in Wales
 * 1763 in Wales
 * 1764 in Wales
 * 1765 in Wales
 * 1766 in Wales
 * 1767 in Wales
 * 1768 in Wales
 * 1769 in Wales
 * 1961 in Wales
 * 2009 in Wales
 * 2018 Six Nations Championship
 * A roads in Zone 4 of the Great Britain numbering scheme
 * A roads in Zone 5 of the Great Britain numbering scheme
 * B roads in Zone 4 of the Great Britain numbering scheme
 * Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales
 * Food and drink industry of Wales
 * Grade I listed buildings in the Vale of Glamorgan
 * High Sheriff of Carmarthenshire
 * High Sheriff of Denbighshire
 * High Sheriff of Flintshire
 * High Sheriff of Gwynedd
 * High Sheriff of Montgomeryshire
 * High Sheriff of Powys
 * History of rugby union matches between Wales and the Barbarians
 * LL postcode area
 * List of Anglo-Welsh wars
 * List of Blue Flag Beaches of Wales
 * List of Cadw properties
 * List of Celtic deities
 * List of MPs for constituencies in Wales (2001–2005)
 * List of MPs for constituencies in Wales (2005–2010)
 * List of MPs for constituencies in Wales (2015–2017)
 * List of MPs for constituencies in Wales (2017–2019)
 * List of Plaid Cymru MSs
 * List of Roman-to-modern scheduled monuments in Powys (Brecknockshire)
 * List of Roman-to-modern scheduled monuments in Powys (Montgomeryshire)
 * List of Roman-to-modern scheduled monuments in Powys (Radnorshire)
 * List of Roman villas in Wales
 * List of Sites of Special Scientific Interest in Conwy
 * List of Sites of Special Scientific Interest in Denbighshire
 * List of Sites of Special Scientific Interest in Flintshire
 * List of Sites of Special Scientific Interest in Gwynedd
 * List of Sites of Special Scientific Interest in Isle of Anglesey
 * List of Sites of Special Scientific Interest in Neath Port Talbot
 * List of Sites of Special Scientific Interest in Newport
 * List of Sites of Special Scientific Interest in Swansea
 * List of Sites of Special Scientific Interest in Torfaen
 * List of Sites of Special Scientific Interest in Wrexham
 * List of Sites of Special Scientific Interest in the Vale of Glamorgan
 * List of Valley Lines stations
 * List of Welsh-language authors
 * List of Welsh-language poets (6th century to c. 1600)
 * List of Welsh-language programmes
 * List of Welsh Americans
 * List of Welsh Governments
 * List of Welsh areas by percentage of Welsh-speakers
 * List of Welsh artists
 * List of Welsh medical pioneers
 * List of Welsh saints
 * List of Welsh women writers
 * List of Welsh writers
 * List of bridges in Wales
 * List of castles in Wales
 * List of cathedrals in Wales
 * List of churches in Anglesey
 * List of churches in Conwy
 * List of churches in Denbighshire
 * List of churches in Flintshire
 * List of churches in Gwynedd
 * List of churches in Powys
 * List of collieries in the Rhondda Valleys
 * List of counties of England and Wales in 1964 by highest point
 * List of counties of England by population in 1981
 * List of counties of Wales by area in 1831
 * List of counties of Wales by population in 1971
 * List of cultural venues in Cardiff
 * List of cycle routes in Wales
 * List of football clubs in Wales
 * List of highest mountains in Wales
 * List of historic counties of Wales by area in 1891
 * List of hospitals in Wales
 * List of ironworks in Wales
 * List of killings by law enforcement officers in the United Kingdom
 * List of lakes of Wales
 * List of lighthouses in Wales
 * List of mayors of Cardiff
 * List of members of the Senedd
 * List of monastic houses in Wales
 * List of people from Cardiff
 * List of places in Anglesey
 * List of places in Cardiff
 * List of places in Ceredigion
 * List of places in Gwynedd
 * List of places in Pembrokeshire
 * List of places in Pembrokeshire (categorised)
 * List of political parties in Wales
 * List of power stations in Wales
 * List of prehistoric scheduled monuments in Powys (Montgomeryshire)
 * List of prehistoric scheduled monuments in Powys (Radnorshire)
 * List of prehistoric scheduled monuments in north Pembrokeshire
 * List of proposed railway stations in Wales
 * List of railway stations in Cardiff
 * List of railway stations in Wales
 * List of restaurants in Wales
 * List of rivers of Wales
 * List of sheriffs of Anglesey
 * List of shipwrecks in the Bristol Channel
 * List of sport venues in Cardiff
 * List of statutory instruments of the Welsh Assembly
 * List of statutory instruments of the Welsh Assembly, 2007
 * List of statutory instruments of the Welsh Assembly, 2008
 * List of theatres in Wales
 * List of town walls in England and Wales
 * List of tramroads in South Wales
 * List of universities in Wales
 * List of wars in Great Britain
 * List of waterfalls in Wales
 * List of women artists associated with Wales
 * Listed buildings in Cardiff
 * Listed buildings in Wales
 * Listed buildings in the Vale of Glamorgan
 * Lists of schools in Wales
 * Lloyd baronets
 * Members of the 5th National Assembly for Wales
 * Opinion polling on Welsh independence
 * Peerage of Great Britain
 * Prehistoric settlement of the British Isles
 * Second Jones government
 * Sheriff of Caernarvonshire
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 * Timeline of the COVID-19 pandemic in Wales (2020)
 * Wales national rugby league team match results
 * Welsh exonyms
 * Welsh peers and baronets
 * Welsh place names in other countries
 * 100 Welsh Heroes
 * 14th century in Wales
 * 1700 in Wales
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 * 1704 in Wales
 * 1705 in Wales
 * 1706 in Wales
 * 1719 in Wales
 * 1721 in Wales
 * 1726 in Wales
 * 1727 in Wales
 * 1737 in Wales
 * 1895 Glamorgan County Council election
 * 1901 Cardiganshire County Council election
 * 1904 Glamorgan County Council election
 * 1904 in Wales
 * 1905 Aberdare Urban District Council election
 * 1907 Cardiganshire County Council election
 * 1907 Glamorgan County Council election
 * 1907 in Wales
 * 1910 Cardiganshire County Council election
 * 1913 Cardiganshire County Council election
 * 1935–36 Welsh Cup
 * 1936–37 Welsh Cup
 * 1937–38 Welsh Cup
 * 1938–39 Welsh Cup
 * 1945 in Wales
 * 1968 in Wales
 * 1973 in Wales
 * 1976 Argentina rugby union tour of Wales and England
 * 1978 Argentina rugby union tour of Britain, Ireland and Italy
 * 1990 Argentina rugby union tour of British Isles
 * 1990 in Wales
 * 1997 United Kingdom general election in Wales
 * 1998 Argentina rugby union tour of Japan and Europe
 * 2001 Argentina rugby union tour of New Zealand and Great Britain
 * 2005 United Kingdom general election in Wales
 * 2006 in Wales
 * 2012 in Wales
 * 2013 in Wales
 * 2014 European Cup
 * 2018 Six Nations Championship squads
 * 2020 in Wales
 * 2020–21 Scarlets season
 * 2021 Six Nations Championship squads
 * 2021 in Wales
 * 2024 in Wales
 * Archdeacon of St Asaph
 * Archdeacon of St Davids
 * Armorial of the Church in Wales
 * Armorial of the United Kingdom
 * B roads in Zone 5 of the Great Britain numbering scheme
 * Beddoe
 * Beddoes
 * Bibliography of King Arthur
 * Bibliography of Welsh history
 * Bibliography of the Vale of Glamorgan
 * Britain in the Middle Ages
 * Cardiff North (UK Parliament constituency)
 * Cardiff West (UK Parliament constituency)
 * Catholic chaplaincies in England and Wales
 * Crowther
 * Custos Rotulorum of Brecknockshire
 * Custos Rotulorum of Carmarthenshire
 * Custos Rotulorum of Denbighshire
 * Custos Rotulorum of Flintshire
 * Custos Rotulorum of Glamorgan
 * Custos Rotulorum of Merionethshire
 * Custos Rotulorum of Montgomeryshire
 * Custos Rotulorum of Pembrokeshire
 * Custos rotulorum
 * Einion
 * Ellis
 * Emrys
 * Emyr Humphreys bibliography
 * Garter Principal King of Arms
 * Geraint (given name)
 * Grade II* listed buildings in Anglesey
 * Grade II* listed buildings in Blaenau Gwent
 * Grade II* listed buildings in Bridgend County Borough
 * Grade II* listed buildings in Caerphilly County Borough
 * Grade II* listed buildings in Carmarthenshire
 * Grade II* listed buildings in Ceredigion
 * Grade II* listed buildings in Conwy County Borough
 * Grade II* listed buildings in Denbighshire
 * Grade II* listed buildings in Flintshire
 * Grade II* listed buildings in Gwynedd
 * Grade II* listed buildings in Merthyr Tydfil County Borough
 * Grade II* listed buildings in Neath Port Talbot
 * Grade II* listed buildings in Newport
 * Grade II* listed buildings in Pembrokeshire
 * Grade II* listed buildings in Powys
 * Grade II* listed buildings in Rhondda Cynon Taf
 * Grade II* listed buildings in Swansea
 * Grade II* listed buildings in Torfaen
 * Grade II* listed buildings in Wrexham County Borough
 * Grade II* listed buildings in the Vale of Glamorgan
 * Grade I listed buildings in Anglesey
 * Grade I listed buildings in Bridgend County Borough
 * Grade I listed buildings in Caerphilly County Borough
 * Grade I listed buildings in Carmarthenshire
 * Grade I listed buildings in Ceredigion
 * Grade I listed buildings in Conwy County Borough
 * Grade I listed buildings in Denbighshire
 * Grade I listed buildings in Flintshire
 * Grade I listed buildings in Gwynedd
 * Grade I listed buildings in Merthyr Tydfil County Borough
 * Grade I listed buildings in Neath Port Talbot
 * Grade I listed buildings in Newport
 * Grade I listed buildings in Pembrokeshire
 * Grade I listed buildings in Powys
 * Grade I listed buildings in Swansea
 * Grade I listed buildings in Torfaen
 * Grade I listed buildings in Wrexham County Borough
 * Griffiths
 * Gwent County FA Senior Cup
 * Gwyneth
 * Hallstatt Lecture
 * High Sheriff of Cardiganshire
 * High Sheriff of Dyfed
 * High Sheriff of Glamorgan
 * High Sheriff of Pembrokeshire
 * Jan Morris bibliography
 * King of the Britons
 * Knights, baronets and peers of the Protectorate
 * Leader of the Opposition (Wales)
 * List of Archdeacons of Anglesey
 * List of Archdeacons of Cardigan
 * List of Archdeacons of Carmarthen
 * List of Archdeacons of Merioneth
 * List of Arthurian characters
 * List of Bala Town FC seasons
 * List of Budgie band members
 * List of Cardiff University people
 * List of Carmarthen Town A.F.C. seasons
 * List of Catholic dioceses in Great Britain
 * List of Celtic choirs
 * List of Chirk AAA FC seasons
 * List of Church in Wales churches
 * List of Commissioners' churches in Wales
 * List of Communities of Torfaen
 * List of Crown Court venues in England and Wales
 * List of Cyfraith Hywel manuscripts
 * List of Cymru Premier champions
 * List of EFL Championship hat-tricks
 * List of English and Welsh cricket league clubs
 * List of Gavin & Stacey episodes
 * List of Great Britain national rugby league team players
 * List of High Court judges of England and Wales
 * List of MPs for constituencies in Wales (1974–1979)
 * List of MPs for constituencies in Wales (1987–1992)
 * List of MPs for constituencies in Wales (2010–2015)
 * List of MPs for constituencies in Wales (2019–present)
 * List of National Trust properties in Wales
 * List of Newport County A.F.C. managers
 * List of Newport County A.F.C. players
 * List of Newport County A.F.C. records and statistics
 * List of Newport County A.F.C. seasons
 * List of North Wales Crusaders seasons
 * List of Ramsar sites in Wales
 * List of Roman-to-modern scheduled monuments in Carmarthenshire
 * List of Roman-to-modern scheduled monuments in Ceredigion
 * List of Roman-to-modern scheduled monuments in Gwynedd
 * List of Roman-to-modern scheduled monuments in Pembrokeshire
 * List of SSSIs in Preseli & South Pembrokeshire
 * List of Senedd elections
 * List of Sherlock episodes
 * List of Sites of Special Scientific Interest in Blaenau Gwent
 * List of Sites of Special Scientific Interest in Bridgend
 * List of Sites of Special Scientific Interest in Caerphilly
 * List of Sites of Special Scientific Interest in Carmarthenshire
 * List of Sites of Special Scientific Interest in Monmouthshire
 * List of Sites of Special Scientific Interest in Pembrokeshire
 * List of Sites of Special Scientific Interest in Powys
 * List of Six Nations Championship Player of the Championship winners
 * List of Special Areas of Conservation in Wales
 * List of Stella (British TV series) episodes
 * List of Swansea City A.F.C. seasons
 * List of Talyllyn Railway rolling stock
 * List of UK Parliament constituencies in Wales
 * List of UK dialling codes covering Wales
 * List of United Kingdom locations
 * List of United Kingdom locations: Bab-Bal
 * List of United Kingdom locations: Bea-Bem
 * List of United Kingdom locations: Ben-Bez
 * List of United Kingdom locations: Thi-Thw
 * List of United Kingdom locations: Woof-Wy
 * List of United Kingdom locations: X-Z
 * List of Vale of Rheidol Railway rolling stock
 * List of Wales Minor Counties Cricket Club List A players
 * List of Wales Minor Counties Cricket Club grounds
 * List of Wales international footballers born outside Wales
 * List of Wales rugby union footballers killed in the World Wars
 * List of Wales women's international footballers
 * List of Wales women's national rugby union team matches
 * List of Welsh-language television channels
 * List of Welsh-speaking politicians
 * List of Welsh AMs/MSs with the shortest service
 * List of Welsh Cup finals
 * List of Welsh Highland Railway Ltd rolling stock
 * List of Welsh Highland Railway rolling stock
 * List of Welsh Premier League seasons
 * List of Welsh architects
 * List of Welsh boxing champions
 * List of Welsh breeds
 * List of Welsh dishes
 * List of Welsh films
 * List of Welsh historical documents
 * List of Welsh inventors
 * List of Welsh mathematicians
 * List of Welsh musicians
 * List of Welsh principal areas
 * List of Welsh rugby union clubs
 * List of Welsh scientists
 * List of Welsh television programmes
 * List of Welsh towns twinned with a Breton town
 * List of World Heritage Sites in Wales
 * List of Wrexham A.F.C. records and statistics
 * List of Wrexham A.F.C. seasons
 * List of academics of University of Wales, Lampeter
 * List of acts and measures of Senedd Cymru
 * List of acts of Senedd Cymru from 2021
 * List of acts of Senedd Cymru from 2022
 * List of acts of Senedd Cymru from 2023
 * List of acts of the National Assembly for Wales and acts of Senedd Cymru from 2020
 * List of acts of the National Assembly for Wales from 2012
 * List of acts of the National Assembly for Wales from 2013
 * List of acts of the National Assembly for Wales from 2014
 * List of acts of the National Assembly for Wales from 2015
 * List of acts of the National Assembly for Wales from 2016
 * List of acts of the National Assembly for Wales from 2017
 * List of acts of the National Assembly for Wales from 2018
 * List of acts of the National Assembly for Wales from 2019
 * List of alumni of University of Wales, Lampeter
 * List of ancient Celtic peoples and tribes
 * List of archdeacons in the Church in Wales
 * List of battalions of the South Wales Borderers
 * List of bays of Wales
 * List of birds of Wales
 * List of buildings and structures in Portmeirion
 * List of buildings and structures in Swansea
 * List of bus stations in Wales
 * List of by-elections to the Senedd
 * List of carillons of the British Isles
 * List of churches in Wrexham County Borough
 * List of city and town halls in Wales
 * List of cricket grounds in England and Wales
 * List of crossings of the River Clwyd
 * List of crossings of the River Dee, Wales
 * List of cultural venues in Swansea
 * List of deans of St Asaph
 * List of diplomatic missions in Wales
 * List of direct grant grammar schools
 * List of dune systems of Wales
 * List of electoral wards in Bridgend County Borough
 * List of electoral wards in Gwynedd
 * List of electoral wards in Merthyr Tydfil County Borough
 * List of electoral wards in Mid Glamorgan
 * List of electoral wards in Newport, Wales
 * List of electoral wards in Pembrokeshire
 * List of electoral wards in Powys
 * List of electoral wards in Rhondda Cynon Taf
 * List of electoral wards in Swansea
 * List of electoral wards in Wales
 * List of electoral wards in Wrexham County Borough
 * List of estuaries of Wales
 * List of female Police and Crime Commissioners
 * List of female members of the Senedd
 * List of festivals in Wales
 * List of food festivals in Wales
 * List of football clubs in England and Wales by year formed
 * List of football seasons involving Cefn Druids and its predecessor clubs
 * List of former cathedrals in Great Britain
 * List of fossiliferous stratigraphic units in Wales
 * List of further education colleges in Wales
 * List of gardens in Wales
 * List of geological faults of Wales
 * List of hillforts in Monmouthshire
 * List of hillforts in Wales
 * List of international men's cricket grounds in England and Wales
 * List of invasive non-native species in England and Wales
 * List of law enforcement agencies in England and Wales
 * List of leaders of Welsh councils
 * List of local health boards and NHS trusts in Wales
 * List of local nature reserves in Wales
 * List of lord lieutenants of Anglesey
 * List of measures of the National Assembly for Wales from 2008
 * List of measures of the National Assembly for Wales from 2009
 * List of measures of the National Assembly for Wales from 2010
 * List of measures of the National Assembly for Wales from 2011
 * List of monarchs of Powys
 * List of mountain passes of Wales
 * List of movements in Wales
 * List of people associated with Penarth
 * List of people from Newport
 * List of people from Swansea
 * List of places along Wales Coast Path
 * List of places in Anglesey (categorised)
 * List of places in Blaenau Gwent
 * List of places in Bridgend County Borough
 * List of places in Carmarthenshire
 * List of places in Carmarthenshire (categorised)
 * List of places in Conwy County Borough
 * List of places in Conwy County Borough (categorised)
 * List of places in Denbighshire
 * List of places in Denbighshire (categorised)
 * List of places in Flintshire
 * List of places in Flintshire (categorised)
 * List of places in Gwynedd (categorised)
 * List of places in Merthyr Tydfil County Borough
 * List of places in Monmouthshire
 * List of places in Neath Port Talbot
 * List of places in Neath Port Talbot (categorised)
 * List of places in Newport
 * List of places in Powys
 * List of places in Powys (categorised)
 * List of places in Rhondda Cynon Taf (categorised)
 * List of places in Swansea
 * List of places in Swansea (categorised)
 * List of places in Torfaen
 * List of places in Wrexham County Borough
 * List of places in the Vale of Glamorgan
 * List of places on the Creuddyn peninsula
 * List of poor law unions in Wales
 * List of ports and harbours in Wales
 * List of ports in Great Britain
 * List of prehistoric scheduled monuments in Carmarthenshire
 * List of prehistoric scheduled monuments in Ceredigion
 * List of prehistoric scheduled monuments in Gwynedd (former Caernarvonshire)
 * List of prehistoric scheduled monuments in Gwynedd (former Merionethshire)
 * List of prehistoric scheduled monuments in Powys (Brecknockshire)
 * List of prehistoric scheduled monuments in south Pembrokeshire
 * List of public art in Blaenau Gwent
 * List of public art in Cardiff
 * List of public art in Carmarthenshire
 * List of public art in Ceredigion
 * List of public art in Conwy County Borough
 * List of public art in Denbighshire
 * List of public art in Flintshire
 * List of public art in Gwynedd
 * List of public art in Merthyr Tydfil County Borough
 * List of public art in Monmouthshire
 * List of public art in Newport, Wales
 * List of public art in Torfaen
 * List of public art in Wrexham County Borough
 * List of public art in the Vale of Glamorgan
 * List of public art on Anglesey
 * List of quarries served by the Ffestiniog Railway
 * List of reservoirs in the United Kingdom
 * List of rulers of Gwynedd
 * List of rural and urban districts in Wales in 1973
 * List of rural districts formed in England and Wales 1894–1974
 * List of scheduled monuments in Anglesey
 * List of scheduled monuments in Blaenau Gwent
 * List of scheduled monuments in Bridgend County Borough
 * List of scheduled monuments in Caerphilly County Borough
 * List of scheduled monuments in Conwy County Borough
 * List of scheduled monuments in Denbighshire
 * List of scheduled monuments in Flintshire
 * List of scheduled monuments in Merthyr Tydfil County Borough
 * List of scheduled monuments in Monmouthshire
 * List of scheduled monuments in Neath Port Talbot
 * List of scheduled monuments in Newport
 * List of scheduled monuments in Rhondda Cynon Taf
 * List of scheduled monuments in Swansea
 * List of scheduled monuments in Torfaen
 * List of scheduled monuments in Wrexham County Borough
 * List of scheduled monuments in the Vale of Glamorgan
 * List of schools in Anglesey
 * List of schools in Blaenau Gwent
 * List of schools in Bridgend
 * List of schools in Caerphilly
 * List of schools in Cardiff
 * List of schools in Carmarthenshire
 * List of schools in Ceredigion
 * List of schools in Conwy
 * List of schools in Denbighshire
 * List of schools in Flintshire
 * List of schools in Gwynedd
 * List of schools in Merthyr Tydfil County Borough
 * List of schools in Monmouthshire
 * List of schools in Neath Port Talbot
 * List of schools in Newport
 * List of schools in Pembrokeshire
 * List of schools in Powys
 * List of schools in Rhondda Cynon Taf
 * List of schools in Swansea
 * List of schools in Torfaen
 * List of schools in Wrexham County Borough
 * List of schools in the Vale of Glamorgan
 * List of settlements in Anglesey by population
 * List of shear zones of Great Britain
 * List of shopping arcades in Cardiff
 * List of stadiums in Wales by capacity
 * List of stations and halts on the Ffestiniog Railway
 * List of stations and halts on the Talyllyn Railway
 * List of stations and halts on the Welsh Highland Railway
 * List of statutory instruments of the Welsh Assembly, 1999
 * List of statutory instruments of the Welsh Assembly, 2000
 * List of statutory instruments of the Welsh Assembly, 2001
 * List of statutory instruments of the Welsh Assembly, 2002
 * List of statutory instruments of the Welsh Assembly, 2003
 * List of statutory instruments of the Welsh Assembly, 2004
 * List of statutory instruments of the Welsh Assembly, 2005
 * List of statutory instruments of the Welsh Assembly, 2006
 * List of tallest buildings in Cardiff
 * List of think tanks in Wales
 * List of titles and honours of Charles III
 * List of twin towns and sister cities in Wales
 * List of uncapped British & Irish Lions rugby union players
 * List of urban districts formed in England and Wales 1896–1974
 * List of vales in England and Wales
 * List of venues in Neath Port Talbot
 * List of windmills in Anglesey
 * List of windmills in Wales
 * List of works by Dylan Thomas
 * List of years in Wales
 * List of youth hostels in England and Wales
 * Listed buildings in Grangetown, Cardiff
 * Listed buildings in Llanelli
 * Listed buildings in Penarth
 * Lists of MPs for constituencies in Wales
 * Llŷr (given name)
 * Local boards formed in England and Wales 1848–1894
 * Locations in the United States with a Welsh name
 * Lord Lieutenant of Brecknockshire
 * Lord Lieutenant of Caernarvonshire
 * Lord Lieutenant of Cardiganshire
 * Lord Lieutenant of Carmarthenshire
 * Lord Lieutenant of Denbighshire
 * Lord Lieutenant of Dyfed
 * Lord Lieutenant of Flintshire
 * Lord Lieutenant of Glamorgan
 * Lord Lieutenant of Gwent
 * Lord Lieutenant of Gwynedd
 * Lord Lieutenant of Merionethshire
 * Lord Lieutenant of Monmouthshire
 * Lord Lieutenant of Montgomeryshire
 * Lord Lieutenant of Pembrokeshire
 * Lord Lieutenant of Radnorshire
 * Lord Lieutenant of South Glamorgan
 * Lords of Cemais
 * Meyrick family
 * National nature reserves in Wales
 * Owen (name)
 * Plaid Cymru election results
 * Powell (surname)
 * Regional member changes to the Senedd
 * Registered historic parks and gardens in Anglesey
 * Registered historic parks and gardens in Bridgend County Borough
 * Registered historic parks and gardens in Caerphilly County Borough
 * Registered historic parks and gardens in Carmarthenshire
 * Registered historic parks and gardens in Ceredigion
 * Registered historic parks and gardens in Conwy County Borough
 * Registered historic parks and gardens in Flintshire
 * Registered historic parks and gardens in Gwynedd
 * Registered historic parks and gardens in Merthyr Tydfil County Borough
 * Registered historic parks and gardens in Neath Port Talbot
 * Registered historic parks and gardens in Newport
 * Registered historic parks and gardens in Pembrokeshire
 * Registered historic parks and gardens in Powys
 * Registered historic parks and gardens in Rhondda Cynon Taf
 * Registered historic parks and gardens in Swansea
 * Registered historic parks and gardens in Wrexham County Borough
 * Registered historic parks and gardens in the Vale of Glamorgan
 * Rhun (Welsh given name)
 * Scheduled monuments in Pembrokeshire
 * Shadow Secretary of State for Wales
 * Sheriff of Merionethshire
 * Timeline of ITV in Wales
 * Timeline of prehistoric Britain
 * Timeline of radio in Wales
 * Timeline of television in Wales
 * Timeline of the COVID-19 pandemic in Wales (2021)
 * Tudor (name)
 * Vaughan (surname)
 * Wales national football team manager
 * Wales national football team records and statistics
 * Wales national football team results
 * Wales national football team results (2000–2019)
 * Wales national football team results (2020–present)
 * Wales women's national football team results (2020–present)
 * Welsh Woman of the Year
 * Wrexham County Borough Council elections
 * 1942 in Wales
 * 1974 in Wales
 * 1976 in Wales
 * 2023–24 FAW Women's Cup
 * Fardd
 * Grade II listed buildings in Broughton, Wrexham
 * Grade II listed buildings in Ceiriog Ucha
 * Grade II listed buildings in Chirk
 * Grade II listed buildings in Coedpoeth
 * Grade II listed buildings in Erbistock
 * Grade II listed buildings in Esclusham
 * Grade II listed buildings in Glyntraian
 * Grade II listed buildings in Gresford
 * Grade II listed buildings in Gwersyllt
 * Grade II listed buildings in Hanmer, Wrexham
 * Grade II listed buildings in Holt, Wrexham
 * Grade II listed buildings in Llangollen Rural
 * Grade II listed buildings in Llansantffraid Glyn Ceiriog
 * Grade II listed buildings in Maelor South
 * Grade II listed buildings in Marchwiel
 * Grade II listed buildings in Minera
 * Grade II listed buildings in Offa, Wrexham
 * Grade II listed buildings in Overton-on-Dee
 * Grade II listed buildings in Rhosddu
 * Grade II listed buildings in Rossett
 * Grade II listed buildings in Ruabon
 * Grade II listed buildings in Sesswick
 * Grade II listed buildings in Willington Worthenbury
 * Grade II listed buildings in Wrexham County Borough
 * Idwal
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 * Penycaerau
 * Percy Baker (gymnast)
 * Pitt's Head Halt railway station
 * Plain quarry
 * Pluck Ness Monster
 * Pont Caerhywel
 * Pontyberry
 * Pontypandy
 * Pontypool Leisure Centre
 * Port Talbot Peripheral Distributor Road
 * Porth y Wygyr
 * Porthor
 * Portmadoc (WHR) railway station
 * Portmadoc New (1923) station
 * Portmadoc Old (WHR) railway station
 * Poundffald
 * Prince of Wales (locomotive)
 * Princely standard of Wales
 * Priory Church of St Seiriol
 * Pwdwr quarry
 * Pîl
 * Quarry Bach
 * Quarry Caernarfon
 * Quarry Ffynnon
 * Quarry Forever
 * Quarry Tommy
 * Quay House, Conwy
 * RAF Blaenanerch
 * RAF Caerwent
 * RAF Cardiff
 * RAF Hawarden
 * Radnor Scout Area (The Scout Association)
 * Ravenhill, Swansea
 * Regimental Band of the Royal Welsh
 * Rhaeadr Cynfal
 * Rhiwaedog-is-Afon
 * Rhiwaedog-uwch-Afon
 * Rhiwbryfdir
 * Rhobell-y-big
 * Rhobell Ganol
 * Rhodiad-y-brenin
 * Rhona Olive Harris
 * Rhoshirwaun
 * Rhydlios
 * Richard Payne Davies
 * River Fathew
 * River Wyvern
 * Draft:Robert Williams (poet)
 * Template:Roman Catholic Archbishops and Bishops in England and Wales
 * Rosebush quarry
 * Runston
 * Saint Cían
 * Senedd Cymru – Welsh Parliament
 * Sentencing Guidelines Council
 * Severn Tunnel Junction Marshalling Yard
 * She's Here Now
 * Shirenewton Primary
 * Singleton Botanical Gardens
 * Sir Ralph Darling
 * Sirhowy Ironworks
 * Sketty Park
 * Slade, Swansea
 * Snowdonia and Anglesey Scout Area (The Scout Association)
 * South Dulas
 * South Pembrokeshire District Council
 * South Wales Daily News
 * South Wales Ironmen
 * Template:Sports venues in Cardiff
 * St. Illtud
 * St. Tyfi's Church, Llandeilo
 * St Albans RC
 * St Andrews Major
 * St Cadwaladr's Church, Llangadwaladr, Anglesey
 * St David's College, Lampeter
 * St David's and the Cathedral Close
 * St Gwenog Church, Llanwenog
 * St Tudwal's Island East
 * Susannah Jane Ellis
 * Swansea West Business Park
 * Template:Swansea topics
 * Sychryd
 * Taf Fechan
 * Tallarn Green
 * Tanygrisiau Reservoir
 * Teath (saint)
 * Teisen Gri
 * Terfel
 * The Barracks, Caernarfon
 * The Barracks, Cardiff
 * The Brecon Mountain Railway
 * The Brunswick, Merthyr Tydfil
 * The March of Wales
 * The Prince Of Wales
 * The Prince of Wales
 * The Welsh Wizard
 * Thistleboon
 * Tirdeunaw
 * Tondu Ironworks
 * Tonfanau quarry
 * Torta Galesa
 * Traeth Bach, Anglesey
 * Traeth Lligwy
 * Traeth yr Ora
 * Template:Transport in Swansea
 * Trefeglwys railway station
 * Trefynydd
 * Tregib Arms
 * Treorchy Cemetery
 * Tribunals in England and Wales
 * Ty Hyll
 * Tyddyn
 * University of Wales, Aberystwyth
 * University of Wales College of Medicine
 * Upper Killay
 * Upper Leadworth
 * Ursula O'Connor
 * Template:Use Welsh English
 * WP:Userboxes/Education/United Kingdom/University of Wales
 * Vale of Usk
 * Template:WHR Line diagram
 * Template:WP Wales
 * WalesOnline
 * Wales (Commonwealth Parliament constituency)
 * Wales Bible College
 * Wales Rally
 * Wales in Bloom
 * Wales national football team results – 2000s
 * Wales on Sunday
 * Template:WelshBiographyOnline
 * Welsh Air Ambulance
 * Welsh Assembly Government
 * Welsh Classroom
 * Welsh Cob
 * Template:Welsh English
 * Welsh European Funding Office
 * Welsh Gold Dragon
 * Welsh Lost Lands
 * Template:Welsh MSs 2021-2026
 * Welsh March
 * Welsh Music
 * Welsh Small-bore Rifle Association
 * Welsh cakes
 * Welsh culture
 * Template:Welsh dogs
 * Welsh given name
 * Welsh parliament
 * Welsh politics
 * Category:Welsh priests
 * Welshcake
 * Whitchurch Library
 * Whitland Abbey Slate quarry
 * William Herbert, 1st Earl of Pembroke (8th Creation)
 * Winnie Parry
 * Women in Wales
 * World Bog Snorkelling Championship
 * Worthenbury
 * Wrottin Powys
 * Wynne quarry
 * Template:YYY0s in Welsh sport category header
 * Y Bala
 * Y Castellnewydd ar Ogwr
 * Template:Year in Wales
 * Yerbeston
 * Ynys Cantwr
 * Yr Wyddfa
 * Ystalyfera Ironworks
 * Ystrad (fictional)

Unassessed-Class

 * 2021–22 Adran Trophy
 * 2022–23 Adran Trophy
 * Abbotsfield, Wrexham
 * Agricultural Land Tribunal for Wales
 * Arfor
 * Bardd Plant Cymru
 * Beli Mawr
 * Board of Control for Lunacy and Mental Deficiency
 * Bog snorkelling
 * Boys' and Girls' Clubs of Wales
 * Bridgend Schools FA
 * Brigyn
 * Bus transport in Wales
 * Bwlch-y-cibau
 * Cadair Fawr
 * Caemawr Greyhound Stadium
 * Caerdroia
 * Caerphilly Athletic F.C.
 * Caim
 * Cantref Coch
 * Canu Heledd
 * Canu Llywarch Hen
 * Cardiff Cross Challenge
 * Carreg Cadno
 * Cefn Bryn
 * Cefn Eglwysilan
 * Charles Street, Wrexham
 * Chester Street, Wrexham
 * Commission for Tertiary Education and Research
 * Croesnewydd Hall
 * Cwmdonkin Park
 * Deputy Minister for Arts, Sport and Tourism
 * Deputy Minister for Social Partnership
 * Deputy Minister for Social Services
 * Feathers Hotel, Wrexham
 * Grade II listed buildings in Acton, Wrexham
 * Grade II listed buildings in Bronington
 * Grosvenor Lodge, Wrexham
 * Heartsease, Llanddewi Ystradenni
 * Historia Gruffud vab Kenan
 * Horse and Jockey, Wrexham
 * Madryn Castle
 * Minister for Climate Change (Wales)
 * Minister for Local Government (Wales)
 * Minister for Social Justice (Wales)
 * Minister for the Constitution (Wales)
 * Nags Head, Wrexham
 * National Contemporary Art Gallery for Wales
 * Opinion polling for the 1999 National Assembly for Wales election
 * Pa gur
 * Principal areas of Wales
 * Queen's Square, Wrexham
 * Recommended place-names in Snowdonia
 * Registered historic parks and gardens in Denbighshire
 * Saith Seren
 * Samuel Baldwyn Rogers
 * School of Creative Arts, Wrexham
 * Soames Brewery Chimney
 * St Peter's Church, Lampeter
 * Subdivisions of Wales
 * The Colours (play)
 * The Magpie's Advice
 * The Oxford Book of Welsh Verse
 * The Talbot, Wrexham
 * Third Shadow Cabinet of Andrew RT Davies
 * To the Yew Tree Above Dafydd ap Gwilym's Grave
 * Trefnydd of the Senedd
 * United Kingdom general election results in Mid and West Wales
 * United Kingdom general election results in South Central Wales
 * United Kingdom general election results in South East Wales
 * United Kingdom general election results in South West Wales
 * Wrexham and East Denbighshire War Memorial Hospital
 * Welsh Government roads review
 * Salisbury Park Conservation Area‎
 * Fairy Road, Wrexham
 * Grosvenor Road, Wrexham
 * Grove Road, Wrexham