The Secret of the Submarine
- Yil: 1915
- Mamlakat: United States of America
- Janr: Action, Adventure
- Studiya: American Film Manufacturing Company
- Kalit so'z: submarine, silent film, movie serial, lost film
- Direktor: George L. Sargent
- Cast: Juanita Hansen, Tom Chatterton, Hylda Hollis, Lamar Johnstone, George Clancey, William Tedmarsh