Jack Mahon(e)y may refer to:
Jock Mahoney (or Jacques Mahoney, 1919–1989), American actor Jack Mahony (footballer) (born 2001), Australian rules footballer Jack Mahony (rugby union), Irish international rugby union player Jack Mahoney (ethicist) (1931–2024), Scottish Jesuit and moral theologian Jack Mahoney (composer), Tin Pan Alley composer Jack Mahoney, the alter ego of the superhero who is known as The Moth Jack Mahoney (baseball)
See also John Mahoney (disambiguation)