Jack Regan (1912–1988) was an Australian rules footballer.
Jack Regan may also refer to:
Jack Regan (hurler) (born 1995), Irish hurler Jack Regan (American football) (?–2015), American football coach Jack Regan (rugby union) (born 1997), Irish rugby union player Jack Regan (The Sweeney)
See also Jack Reagan (1883–1941), father of Ronald Reagan John Regan (disambiguation)