Jack Carroll may refer to:Jack Carroll (comedian), British comedian Jack Carroll (1922–1999), Australian rules footballer for Collingwood Jack Carroll, Australian rules footballer for St Kilda Jack Carroll (politician), Canadian politician Jack Carroll (1925–2018), Australian rugby union player Jack Carroll (hurler) (1921–1998), Irish hurler John M. Carroll, known as Jack, information scientist Jack the Bulldog, official mascot of the Georgetown University Hoyas Jack Carroll (sprinter) (1930–1997), Canadian sprinter, competed at the 1952 Summer Olympics Tom Carroll, pole vaulter also known as Jack Carroll, 1951 All-American for the Minnesota Golden Gophers track and field team Jack Carroll, author in the anthology Ring of Fire III