Leviathan
- Blwyddyn: 1989
- Gwlad: Italy, United States of America
- Genre: Adventure, Horror, Thriller, Science Fiction
- Stiwdio: Gordon Company, Filmauro, Metro-Goldwyn-Mayer, Leviathan Produzione
- Allweddair: sea, monster, experiment, alcohol, ocean, shipwreck, mine, scuba diving, sea monster, scuba, deepsea, trapped underwater
- Cyfarwyddwr: George P. Cosmatos
- Cast: Peter Weller, Richard Crenna, Amanda Pays, Daniel Stern, Ernie Hudson, Michael Carmine