Billy Roche (born 11 January 1949) is an Irish playwright and actor. He was born and still lives in Wexford and most of his writings are based there. Originally a singer with The Roach Band, he turned to writing in the 1980s. He has written a number of plays, including The Wexford Trilogy. He has also written screenplay of Trojan Eddie and published a novel, Tumbling Down, and a book of short stories.