The Secret of the Submarine
- Jier: 1915
- Lân: United States of America
- Sjenre: Action, Adventure
- Studio: American Film Manufacturing Company
- Keyword: submarine, silent film, movie serial, lost film
- Direkteur: George L. Sargent
- Cast: Juanita Hansen, Tom Chatterton, Hylda Hollis, Lamar Johnstone, George Clancey, William Tedmarsh
