List of Irish mythological figures

Figures in Irish mythology include the following:

Notable figures

 * Aengus - god possibly associated with love, youth and poetic inspiration
 * Áine - goddess of love, summer, wealth and sovereignty
 * Banba, Ériu and Fódla - patron goddesses of Ireland
 * Bodb Derg - king of the Tuatha Dé Danann
 * Brigid - daughter of the Dagda; associated with healing, fertility, craft and poetry
 * Clíodhna - queen of the Banshees
 * The Dagda - supreme god and king of the Tuatha Dé Danann
 * Danu - mother goddess of the Tuatha Dé Danann
 * Dian Cecht - god of healing
 * Étaín - heroine of Tochmarc Étaíne
 * Lir - god of the sea
 * Lugh - legendary hero and High King of Ireland
 * Maine mac Darthacht - owner of a cloak fastened by eight stones
 * Manannán mac Lir - god of the sea, like his father Lir
 * Nuada Airgetlám - first king of the Tuatha Dé Danann
 * Ogma - warrior-poet, said to have invented the Ogham alphabet
 * Trí Dée Dána - three gods of crafting
 * Creidhne - artificer of the Tuatha Dé Danann, working in bronze, brass and gold
 * Goibniu - smith of the Tuatha Dé Danann
 * Luchtaine - carpenter of the Tuatha Dé Danann
 * The Triple Goddess
 * Badb - war goddess who caused fear and confusion among soldiers, often taking the form of a crow
 * Macha - goddess associated with war, battle, horses and sovereignty
 * The Morrígan - goddess of battle, strife and fertility

Lesser figures

 * Abartach - also known as the Giolla Deacair ("the hard servant"), he was associated with Fionn mac Cumhaill
 * Abcán - dwarf poet of the Tuatha Dé Danann
 * Abhean - poet of the Tuatha Dé Danann
 * Aed - god of the underworld
 * Aoi Mac Ollamain - god of poetry
 * Airmed - daughter of Dian Cecht; associated with healing
 * Anann - another name for the Morrígan
 * Beag - minor goddess, known for possessing a magic well
 * Bé Chuille - sorceress of the Tuatha Dé Danann
 * Bébinn - goddess associated with birth
 * Boann - goddess of the River Boyne
 * Brea - minor god of the Tuatha Dé Danann
 * Bres - unpopular and treacherous fomorian king of the Tuatha Dé Danann
 * Brian - son of Tuireann and murderer of Cían
 * Caer Ibormeith - princess cursed to spend every second year in the form of a swan
 * Cermait - son of the Dagda, killed by Lugh
 * Cían - father of Lugh; able to shapeshift at will
 * Danand - daughter of Delbáeth
 * Delbáeth - king of the Tuatha Dé Danann
 * Ecne - god of wisdom and knowledge
 * Egobail - foster son of Manannan mac Lir and father of Aine
 * Elcmar - chief steward to the Dagda
 * Ernmas - mother goddess
 * Fand - sea goddess and lover of Cú Chulainn
 * Fiacha mac Delbaíth - legendary High King of Ireland
 * Fionnuala - daughter of Lir, who was transformed into a swan and cursed by her stepmother
 * Flidais - goddess of cattle and milking
 * Fuamnach - witch of the Tuatha Dé Danann
 * Iuchar - son of Tuireann and murderer of Cían
 * Iucharba - son of Tuireann and murderer of Cían
 * Lí Ban - sister of Fand
 * Mac Cuill, Mac Cecht and Mac Gréine - trio of brothers who killed Lugh and shared the kingship of Ireland between each other
 * Miach - healer and son of Dian Cecht, killed by his father out of jealousy due to his superior healing talents
 * Midir - son of the Dagda
 * Nechtan - father and/or husband of Boann
 * Neit - god of war
 * Nemain - a goddess of war; possibly an alternative name for Badb
 * Niamh - queen of Tír na nÓg
 * Tuireann - father of Creidhne, Luchtaine and Goibniu

Fir Bolg

 * Eochaid mac Eirc - High King of Ireland, the last Fir Bolg king and the first king to establish a system of justice
 * Fiacha Cennfinnán - High King of Ireland
 * Fodbgen - High King of Ireland
 * Gaillimh iníon Breasail - mythical woman from whom the river and city of Galway derive their name
 * Gann and Genann - joint High Kings of Ireland
 * Rinnal - High King of Ireland and the first king to use spearheads
 * Rudraige mac Dela - second High King of Ireland
 * Sengann mac Dela - High King of Ireland
 * Sláine mac Dela - first High King of Ireland
 * Sreng - champion of the Fir Bolg who cut off Nuada's arm
 * Tailtiu - wife of Eochaid mac Eirc

Fomorians

 * Balor - last king of the Fomorians, capable of killing with his deadly eye
 * Buarainech - parent of Balor
 * Cethlenn - prophetess and wife of Balor
 * Cichol Gricenchos - early leader of the Fomorians
 * Conand - oppressive leader of the Fomorians
 * Elatha - Fomorian prince
 * Tethra - ruler of Mag Mell following his death during the Second Battle of Mag Tuired
 * Ethniu - daughter of Balor and mother of Lugh

Milesians

 * Amergin Glúingel - druid, bard and judge
 * Eber Finn - High King of Ireland
 * Érimón - High King of Ireland
 * Míl Espáine - Irish ancestral figure
 * Eber Finn - High King of Ireland

Major characters

 * Ailill mac Máta - king of Connacht and husband of Medb
 * Conchobar mac Nessa - king of Ulster
 * Cú Chulainn - mythological hero known for his terrible battle frenzy
 * Deirdre - tragic heroine of the Ulster Cycle; when she was born it was prophesied that she would be beautiful, but that kings and lords would go to war over her
 * Donn Cuailnge - Brown Bull of Cooley, an extremely fertile stud bull over whom the war known as the Táin Bó Cúailnge was fought
 * Fergus mac Róich - former king of Ulster, now in exile
 * Medb - queen of Connacht, best known for starting the Táin Bó Cúailnge

Ulster characters

 * Amergin mac Eccit - poet and warrior in the court of Conchobar mac Nessa
 * Athirne - poet and satirist in the court of Conchobar mac Nessa
 * Blaí Briugu - Ulster warrior with a geis which requires him to sleep with any woman who stays at his hostel unaccompanied
 * Bricriu - hospitaller, troublemaker and poet
 * Cathbad - chief druid in the court of Conchobar mac Nessa
 * Celtchar - hero of the Ulaid
 * Cethern mac Fintain - Ulster warrior who assists Cú Chulainn
 * Conall Cernach - hero of the Ulaid
 * Cruinniuc - wealthy cattle owner who marries a mysterious woman, later revealed to be the goddess Macha
 * Cúscraid - son of Conchobar mac Nessa
 * Dáire mac Fiachna - Ulster cattle-lord and owner of Donn Cuailnge, the Brown Bull of Cooley
 * Deichtine - mother of Cú Chulainn
 * Éogan mac Durthacht - King of Fernmag
 * Fedlimid mac Daill - harper and chief storyteller in the court of Conchobar mac Nessa
 * Fergus Mac Roich - Former king of Ulster. Narrator of Tain Bo Cuailnge.
 * Findchóem - sister of Conchobar mac Nessa and wet nurse of Cú Chulainn
 * Furbaide Ferbend - son of Conchobar mac Nessa
 * Láeg - charioteer of Cú Chulainn
 * Lóegaire Búadach - hapless Ulster warrior who functions largely as comic relief
 * Mugain - wife of Conchobar mac Nessa
 * Naoise - lover of Deirdre
 * Ness - mother of Conchobar mac Nessa
 * Súaltam - mortal father of Cú Chulainn

Connacht characters

 * Bélchú - warrior of Connacht
 * Cet mac Mágach - warrior of Connacht
 * Ferdiad - warrior of Connacht
 * Findabair - daughter of Ailill and Medb
 * Fráech - warrior of Connacht, who woos Findabair
 * Nera - warrior of Connacht

Ulster exiles

 * Cormac Cond Longas - eldest son of Conchobar mac Nessa
 * Dubthach Dóeltenga - cynical ally of Fergus mac Róich

Other characters

 * Achall - daughter of Cairbre Nia Fer
 * Áed Rúad, Díthorba and Cimbáeth - three brothers who shared the kingship of Ireland
 * Aífe - rival of Scáthach
 * Bláthnat - wife of Cú Roí and lover of Cú Chulainn
 * Connla - son of Cú Chulainn and Aife
 * Cairbre Nia Fer - king of Tara
 * Cú Roí - warrior king of Munster
 * Emer wife of Cú Chulainn
 * Erc mac Cairpri - son of Cairbre Nia Fer
 * Fedelm - female prophet and poet
 * Fedelm Noíchrothach - daughter of Conchobar mac Nessa, unfaithful wife of Cairbre Nia Fer and lover of both Cú Chulainn and Conall Cernach
 * Flidais - lover of Fergus mac Róich
 * Lugaid mac Con Roí - son of Cú Roí and killer of Cú Chulainn
 * Mesgegra - king of Leinster
 * Scáthach - legendary warrior woman who trains Cú Chulainn in the arts of combat
 * Uathach - daughter of Scáthach

The Fianna

 * Fionn mac Cumhaill - legendary hunter-warrior and leader of the Fianna
 * Caílte mac Rónáin - warrior of the Fianna who could run at remarkable speed and communicate with animals, and was a great storyteller
 * Conán mac Morna - warrior of the Fianna, often portrayed as a troublemaker and a comic figure
 * Cumhall - leader of the Fianna and father of Fionn mac Cumhaill
 * Diarmuid Ua Duibhne - warrior of the Fianna and lover of Fionn's betrothed, Gráinne
 * Goll mac Morna - warrior of the Fianna and uneasy ally of Fionn mac Cumhaill
 * Liath Luachra - Fionn's foster mother and a great warrior
 * Liath Luachra - tall, hideous warrior of the Fianna who shares his name with Fionn's foster mother
 * Oisín - son of Fionn mac Cumhaill, warrior of the Fianna and a great poet
 * Oscar - warrior son of Oisín and Niamh
 * Cú Chulainn - likely a demigod of Lugh

Other characters

 * Aillen - monstrous being killed by Fionn mac Cumhaill
 * Bodhmall - druidess, warrior woman and aunt of Fionn mac Cumhaill
 * Cormac mac Airt - legendary High King of Ireland
 * Finn Eces - poet, sage, and teacher of Fionn mac Cumhaill
 * Gráinne - lover of Diarmuid Ua Duibhne, betrothed to Fionn mac Cumhaill
 * Mug Ruith - powerful blind druid
 * Plor na mBan - daughter of Oisín and Niamh
 * Sadhbh - mother of Oisín by Fionn mac Cumhaill

Other

 * Aibell - fairy queen of Thomond
 * Amadan Dubh - trickster fairy known as the "dark fool"
 * Cailleach - divine hag
 * Canola - mythical inventor of the harp
 * Medb Lethderg - goddess of sovereignty associated with Tara
 * Tlachtga - powerful druidess