John R. Leonetti
- Born
- 4 July 1956 (70 years)
- Place of birth
- Los Angeles, California, USA
- Gender
- Male
John Robert Leonetti, ASC (born July 4, 1956) is an American cinematographer and film director. He is known for his collaborative work with director James Wan, with whom he has acted as cinematographer on five films. He is the younger brother of cinematographer Matthew F. Leonetti, who was the cinematographer for John's first feature-length film as director, Mortal Kombat: Annihilation.