City Beneath the Sea
- Ano: 1971
- País: United States of America
- Xénero: Science Fiction, Action
- Estudo: Warner Bros. Television, Kent Productions, Motion Pictures International
- Palabra clave: futuristic, underwater, heist gone wrong, disaster movie, underwater city
- Director: Irwin Allen
- Reparto: Stuart Whitman, Robert Wagner, Rosemary Forsyth, Robert Colbert, Burr DeBenning, Susana Miranda