Billy Boyle is an Irish actor and singer on British film, television and stage. His recording career included five 45rpm singles for the Decca and Columbia labels, including the novelty song "My Baby's Crazy 'Bout Elvis" (Decca F 11503) in 1962.

He is a veteran of the West End stage, having played leading roles in over 15 hit shows. In his first West End musical, Maggie May, he was nominated as best newcomer. Gower Champion then chose him to play Barnaby in Hello Dolly at The Theatre Royal Drury Lane.