Mr. Ace is a 1946 American film noir starring George Raft and Sylvia Sidney involving a society woman who taps a gangster for his political support as she runs for Congress. The movie was written by Fred F. Finkelhoffe, directed by Edwin L. Marin, and photographed by legendary cinematographer Karl Struss.

George Raft later appeared in a radio show The Cases of Mr. Ace, with Mr. Ace having become a private detective.