The Secret Kingdom
- annos singulos: 1917
- Patriam: United States of America
- genus: Adventure, Romance
- Studio: Star Film Company, Vitagraph Company of America
- keyword: movie serial, presumed lost
- Director: Theodore Marston, Charles Brabin
- cast: Charles Richman, Dorothy Kelly, Joseph Kilgour, Arline Pretty, William R. Dunn, De Jalma West
