Butterfly is a 1982 American independent crime drama film co-written and directed by Matt Cimber, based on the 1947 novel The Butterfly by James M. Cain. The starring cast includes Stacy Keach, Pia Zadora, Lois Nettleton, Ed McMahon, James Franciscus, Edward Albert, and Orson Welles. The original music score was composed by Ennio Morricone. The film was financed by Zadora's husband, Israeli multimillionaire Meshulam Riklis, at an estimated cost of US$3.5 million. The film follows a silver mine caretaker who is reunited with his estranged teenaged daughter who wants to take silver from the mine.

James Mallahan Cain was an American novelist, journalist and screenwriter. He is widely regarded as a progenitor of the hardboiled school of American crime fiction.