Gwilym

Gwilym is a Welsh given name and surname, related to William, Guillaume, and others in a number of other languages.

Given name

 * Gwilym ab Ieuan Hen (1440–1480), Welsh language poet
 * Gwilym Davies (minister) CBE (1879–1955), Welsh Baptist minister
 * Gwilym Edwards (1881–1963), Welsh Presbyterian minister
 * Gwilym Ellis Lane Owen (1922–1982), Welsh philosopher
 * Gwilym Emyr Owen III (born 1960), American singer/songwriter
 * Gwilym Gibbons (born 1971), British arts leader
 * Gwilym Gwent (1834–1891), Welsh-born composer in the United States
 * Gwilym Jenkins (1933–1982), British statistician and systems engineer
 * Gwilym Jones (born 1947), British Conservative politician
 * Gwilym Kessey (1919–1986), Australian cricketer
 * Gwilym Lee (born 1983), British actor
 * Gwilym Lloyd George, 1st Viscount Tenby (1894–1967), politician and UK cabinet minister
 * Gwilym Thomas Mainwaring (1941–2019), Welsh rugby player
 * Gwilym Owen Williams (1913–1990), Anglican Archbishop of Wales from 1971 to 1982
 * Gwilym Prys Davies, Baron Prys-Davies (1923–2017), Welsh politician
 * Gwilym Puw (William Pugh) (1618–1689), Welsh Catholic poet and Royalist officer
 * Gwilym R. Jones (1903–1993), awarded three literary awards at the National Eisteddfod of Wales
 * Gwilym Rhyfel (fl. 12th century), Welsh language poet and warrior
 * Gwilym Roberts (1928–2018), British Labour Party politician
 * Gwilym Simcock (born 1981), British pianist and composer
 * Gwilym Tew (1460–1480), Welsh language poet and manuscript copyist
 * Gwilym Tilsley (1911–1997), Welsh poet
 * Gwilym Went (1914–2005), Welsh cricketer
 * William Rees (Gwilym Hiraethog) (1802–1883), Welsh poet and author
 * William Thomas (Gwilym Marles) (1834–1878), Welsh minister and poet

Surname

 * Dafydd ap Gwilym (1315–1350), Welsh poet
 * Eurfyl ap Gwilym (born 1944), Welsh Plaid Cymru politician
 * Gwynn ap Gwilym (1950–2016), Welsh language poet, novelist, editor and translator
 * Lisa Gwilym (born 1975), Welsh broadcaster
 * Lowri Gwilym (1955–2010), Welsh television and radio producer
 * Meinir Gwilym (born 1983), Welsh-language pop and folk singer
 * Mike Gwilym (born 1949), Welsh actor
 * Robert Gwilym (born 1956), Welsh actor
 * Tich Gwilym (1951–2005), Welsh guitarist