Fiachra

Fiachra is an Irish male given name. It may refer to:

Clerics

 * Saint Fiacre of Breuil (died 670), missionary in France
 * Fiachra mac Colmain (500-558) Bishop of Armagh
 * Fiachra Ua Focarta (died 1006) abbot of Clonfert
 * Fiachra Ó Ceallaigh (born 1933) bishop of Dublin
 * Fiachra Ó Ceallaigh (born 1933) bishop of Dublin

Legendary kings

 * Fiachrae son of Eochaid Mugmedon and namesake of Tireragh, County Sligo
 * Fiachra Suighe legendary pre-Christian founder of the Dal Fiachrach Suighe
 * Fiacha mac Delbaíth, legendary High King
 * Fiacha mac Delbaíth, legendary High King

Medieval kings

 * Fiachra Cossalach (died 710) king in Ulster
 * Fiachra Finn (fl 5th century) king of Uí Maine in Connacht
 * Fiachra Finn (fl 5th century) king of Uí Maine in Connacht

Sportsmen

 * Fiachra McArdle (b.1983) association footballer
 * Fiachra Breathnach (b.1986) Gaelic footballer from Galway
 * Fiachra Lynch (b.1987) Gaelic footballer from Cork
 * Fiachra Lynch (b.1987) Gaelic footballer from Cork

Other

 * Fiachra, mythological son of Ler from the Children of Lir legend
 * Fiachra Mac Brádaigh (1690-1760) writer
 * Fiachra Trench (b.1941) composer
 * Fiachra Trench (b.1941) composer