Alan Devlin (1948-May 13, 2011) was an Irish actor.
He was born in Dublin, the son of a jazz musician. He was raised in Booterstown and studied in Mount Merrion. His acting career began with the New Irish Players in Killarney. He is best known for his roles in Chekhov's The Seagull and Eugene O'Neill's A Moon for the Misbegotten. He won an Olivier Award for his role in the latter.
He struggled with alcohol addiction throughout his life and had spells of homelessness in Dublin, London and Galway. He died in Dalkey.