Gregory or Greg Martin may refer to: Gregory Martin (scholar) (c. 1542–1582), Catholic Priest, scholar, and Bible translator Gregory Martin (wrestler), professional wrestler, see MCW Cruiserweight Championship Greg Martin (entrepreneur), entrepreneur and cyber security expert Sir Greg Martin, London, executive headteacher Gregory J. Martin, American medical doctor and U.S. Navy captain Gregory Paul Martin (born 1957), British actor Gregory S. Martin (born 1948), USAF general Greg Martin (rugby player) (born 1963), Australian rugby union player Greg Martin, American actor and assistant director featured in The Great Waldo Pepper and Berks Greg Martin (musician), singer and guitarist with The Kentucky Headhunters