Jack O'Connor

Jack O'Connor may refer to:

Sportspeople

 * Jack O'Connor (Australian footballer) (1900–1983), Australian footballer
 * Baseball
 * Jack O'Connor (catcher) (1866–1937), baseball catcher and manager
 * Jack O'Connor (pitcher) (born 1958), baseball pitcher
 * Jack O'Connor (Canadian football), Canadian football player and coach
 * Cricket
 * Jack O'Connor (Australian cricketer) (1875–1941), Australian cricketer
 * Jack O'Connor (English cricketer) (1897–1977), English cricketer
 * Jack O'Connor (Gaelic footballer) (born 1960), former Kerry player and manager
 * Hurling
 * Jack O'Connor (Cork hurler) (born 1998), Irish hurler
 * Jack O'Connor (Wexford hurler) (born 1995), Irish hurler
 * Jack O'Connor (rugby union) (1906–1980), rugby union player who represented Australia

Other people

 * Jack O'Connor (trade unionist) (born 1957), Irish trade union leader
 * Jack O'Connor (writer) (1902–1978), American author and outdoorsman