Killer Fish
- Tahun: 1979
- Negara: Brazil, Italy, United Kingdom, United States of America
- Genre: Thriller, Action, Adventure
- Studio: Fawcett-Majors Productions, ITC Entertainment, Carlo Ponti Cinematografica, Victoria Pictures Ltd., Associated Film Distribution, Filmar do Brasil
- Kata kunci: treasure, betrayal, jewel, jewel thief, piranha
- Pengarah: Antonio Margheriti
- Pelakon: Lee Majors, Karen Black, Margaux Hemingway, Marisa Berenson, James Franciscus, Roy Brocksmith