Underworld U.S.A.
- Jier: 1961
- Lân: United States of America
- Sjenre: Crime, Thriller
- Studio: Globe Enterprises, Columbia Pictures
- Keyword: film noir, preserved film
- Direkteur: Samuel Fuller
- Cast: Cliff Robertson, Dolores Dorn, Beatrice Kay, Richard Rust, Paul Dubov, Robert Emhardt