Underworld U.S.A.
- Jaar: 1961
- Land: United States of America
- Genre: Crime, Thriller
- Studio: Globe Enterprises, Columbia Pictures
- Sleutelwoord: film noir, preserved film
- Direkteur: Samuel Fuller
- Gooi: Cliff Robertson, Dolores Dorn, Beatrice Kay, Richard Rust, Paul Dubov, Robert Emhardt