
The Secret Kingdom
- År: 1917
- Land: United States of America
- Genre: Eventyr, Romantik
- Studio: Star Film Company, Vitagraph Company of America
- Nøgleord: movie serial, presumed lost
- Direktør: Charles Brabin, Theodore Marston
- Cast: Charles Richman, Dorothy Kelly, Joseph Kilgour, Arline Pretty, William R. Dunn, De Jalma West