Achonry (//; Irish: Achadh Conaire, meaning "Conaire's field") is a village in County Sligo, Ireland. The old name is Achad Cain Conairi. St. Nath Í ua hEadhra (O'Hara) founded a monastery here. The foundation gave the later diocese its name. The monastery was founded on land granted by the Clan Conaire. Nath Í was the teacher of St. Féichín of Ballysadare.
|Elevation||76 m (249 ft)|
|Time zone||UTC+0 (WET)|
|• Summer (DST)||UTC-1 (IST (WEST))|
|Irish Grid Reference|
The diocese was co-extensive with the barony of Leyney (Luighne).
In the parish is the former Church of Ireland Cathedral of St Crumnathy, now deconsecrated.
See Bishop of Achonry.