Jack Sullivan

Jack Sullivan may refer to:
 * Jack Sullivan (baseball) (1873–1924), American baseball catcher
 * Jack Sullivan (basketball) (1935–2010), American basketball coach
 * Jack Sullivan (executive), English football executive
 * Jack Sullivan (film director) (1893–1946), assistant film director
 * Jack Sullivan (footballer, born 1879) (1879–1957), Australian rules footballer for Essendon
 * Jack Sullivan (footballer, born 1919) (1919–1990), Australian rules footballer for Richmond
 * Jack Sullivan (Irish footballer), Ireland international footballer
 * Jack Sullivan (journalist) (1913–1992), Canadian journalist and writer
 * Jack Sullivan (literary scholar) (born 1946), American literary scholar, essayist and writer
 * Jack Sullivan (lacrosse) (1870–?), Canadian lacrosse player
 * Jack Sullivan (rugby union) (1915–1990), New Zealand rugby union player and coach
 * Jack Sullivan Jr. (1933–2002), Australian rules footballer for Carlton