Undersea Kingdom
- Blwyddyn: 1936
- Gwlad: United States of America
- Genre: Action, Fantasy, Science Fiction
- Stiwdio: Republic Pictures
- Allweddair: submarine, atlantis, movie serial, robots
- Cyfarwyddwr: B. Reeves Eason, Joseph Kane
- Cast: Ray Corrigan, Lois Wilde, Monte Blue, William Farnum, Boothe Howard, Raymond Hatton