Joseph Edgar Allen John Mannix aka Edgar J. "Eddie" Mannix (25 February 1891 – 30 August 1963) was an American film studio executive.
Mannix was born in Fort Lee, New Jersey, the son of John and Lizzie (née Striker) Mannix. Christened Joseph Edgar Allen John Mannix, he used Edgar Joseph Mannix as his official name, but was known to most associates as Eddie. After working as a bouncer and then treasurer of the Palisades Park Amusement Park, he became involved in motion picture exhibition, eventually working his way up to general manager and vice-president of Metro-Goldwyn-Mayer.