Jack Clark

Jack Clark may refer to:


 * Jack Clark (baseball) (born 1955), Major League Baseball player
 * Jack Clark (rugby union), American rugby coach and former rugby union player
 * Jack Clark (television personality) (1925–1988), American television game show host and announcer
 * Jack J. Clark (1879–1947), American actor and director
 * Jack Clark (footballer) (1924–2012), Australian footballer
 * Jack Clark (cricketer) (born 1994), English cricketer