Jack Knight

Jack Knight may refer to:


 * Jack Knight (aviator), delivered first overnight transcontinental airmail
 * Jack Knight (baseball) (1895–1976), American right-handed pitcher in Major League Baseball
 * Jack Knight (footballer) (1912–1976), Australian rules footballer
 * Jack Knight (political scientist) (born 1952), American political scientist
 * Jack Knight (songwriter), American songwriter and producer
 * Jack Knight (unionist) (1902–1981), American labor union leader
 * Jack L. Knight (1917–1945), American soldier
 * Starman (Jack Knight), comic book character