Jack Holt may refer to:Jack Holt (actor) (1888–1951) Jack Holt (1912–1995) Jack Holt (trainer), Australian racehorse trainer and philanthropist Jack Holt, character in Outcasts Johnny Holt, also known as Jack Holt (1865–1937), Everton, Reading and England footballer Jack Holt (footballer) (1883–1921), Australian rules footballer Jack Holt (musician), Australian musician