Return of the Fly is a 1959 American horror science-fiction film and sequel to The Fly (1958). It is the second installment in The Fly film series. It was released in 1959 as a double feature with The Alligator People. It was directed by Edward Bernds. Unlike the previous film, Return of the Fly was shot in black and white.

Vincent Price was the only returning cast member from the original. It was intended that Herbert Marshall reprise his role as the police inspector, but due to illness he was replaced by John Sutton.The film was followed by a second sequel, Curse of the Fly (1965).