Cathal Ó Searcaigh (born 12 July 1956) is an Irish poet who writes in the Irish language (specifically the Ulster dialect).
Ó Searcaigh was born in Gort a' Choirce, a town in the Gaeltacht region of Donegal, and lives at the foot of Mount Errigal. He is openly gay.
Ó Searcaigh was awarded the Seán Ó Riordáin Prize for Poetry in 1993 and the Duais Bhord na Gaeilge in 1995. He is a member of Aosdána and in 2006 won The American Ireland Fund Literary Award.