John Sullivan
John Sullivan may refer to:
Activists
- John Earle Sullivan, American political activist and convicted participant in the January 6 United States Capitol attack
- William John Sullivan, usually known as John Sullivan, free software activist
Clergy
- John Sullivan (Jesuit), Irish priest, Catholic Blessed in the Altars
- John Joseph Sullivan (bishop), American clergyman of the Roman Catholic Church
Entertainers
- John Sullivan (writer), English screenwriter for sitcoms including Only Fools and Horses, Citizen Smith and Just Good Friends
- Fred Allen, American radio comedian
- John Jeremiah Sullivan, American writer and editor
- John L. Sullivan (elephant), boxing elephant of the Adam Forepaugh Circus
Mathematicians
- John M. Sullivan (mathematician), American mathematician
- John W. Sullivan, mathematician and member of the Palliser Expedition
Politicians
- John Sullivan (Australian politician), Australian politician
- John Sullivan (colonial administrator), district collector of Coimbatore, southern India
- John Sullivan (MP), British Privy Counsellor, MP for Aldborough, Ashburton and Old Sarum
- John Sullivan (Oklahoma politician), United States Representative from Oklahoma
- John Alexander Sullivan, Conservative member of the Canadian House of Commons
- John Andrew Sullivan, United States Representative from Massachusetts
- John Augustus Sullivan, Jamaican politician
- John B. Sullivan, United States Representative from Missouri
- John J. Sullivan (diplomat), former US Ambassador to Russia, former Deputy Secretary of State and Deputy Secretary of Commerce
- John J. Sullivan (Massachusetts politician), running mate of Christy Mihos
- John L. Sullivan (Arizona politician), Arizona Attorney General, 1935–1937 and 1944–1948
- John L. Sullivan (United States Navy), United States Secretary of the Navy
- John Leo Sullivan, Secretary of State for the U.S. state of Missouri, 1917–1921
- John M. Sullivan (politician), Illinois state senator
- John P. Sullivan (politician), merchant and politician in Prince Edward Island, Canada
Soldiers
- John Sullivan (American sailor), American Civil War sailor and Medal of Honor recipient
- John Sullivan (general), United States general and delegate to the Continental Congress, Governor of New Hampshire and federal judge
- John Sullivan (VC), Irish sailor who won the Victoria Cross
- John P. Sullivan (general), United States Army general
Sportsmen
Baseball
- John Sullivan (1900s catcher), MLB catcher from 1905 to 1908
- John Sullivan (outfielder), MLB outfielder from 1920 to 1921
- John Sullivan (pitcher), MLB pitcher in the 1919 season
- John Sullivan (shortstop), MLB shortstop from 1942 to 1949
- John Sullivan (1960s catcher), MLB catcher from 1963 to 1968
Cricket
- John Sullivan (Lancashire cricketer), English cricketer
- John Sullivan (Gloucestershire cricketer), English cricketer
Association football
- John Sullivan (English footballer), English goalkeeper with Portsmouth F.C.
- John Sullivan (Irish footballer), Irish midfielder with Drogheda United F.C.
Gridiron football
- John Sullivan (Canadian football), Canadian football player
- John Sullivan (center), American football player
- John Sullivan (kicker), American football player
- John Sullivan (defensive back), American football defensive back
- John Sullivan (American football coach), American football player and coach
Other sports
- John Sullivan (racehorse trainer), American Thoroughbred racehorse trainer
- John Sullivan (shot putter), silver medalist in the shot put at the 2000 African Championships in Athletics
- JT Sullivan, full name John Sullivan, All-American steeplechase runner for the Stanford Cardinal track and field team
- John Sullivan (tennis), American tennis player
- John L. Sullivan, Irish-American boxer and first heavyweight boxing champion
- John L. Sullivan (wrestler), professional wrestler better known as Johnny Valiant
- John F. Sullivan, player in the American Basketball League
Other people
- John C. Sullivan, surveyor who established the eastern border of Indian Territory
- John Joseph Sullivan (judge), Chief Justice of the Nebraska Supreme Court
- John Sullivan, member of the Stephens-Townsend-Murphy Party, the first wagon train to cross the Sierra Nevadas into California
- John P. Sullivan (USN), author of Volume I of the ''Dictionary of American Naval Fighting Ships''
Characters
- John L. Sullivan, lead character in Preston Sturges's Sullivan's Travels, played by Joel McCrea
- John Sullivan, lead character in Frequency, played by Jim Caviezel
- John "Sully" Sullivan, character in Third Watch, played by Skipp Sudduth
- John Sullivan, character in 40 Days and 40 Nights
- John Sullivan, character in Around the World in Eighty Days
- John Sullivan, lead character in "Something Was Wrong" from ''More Scary Stories to Tell in The Dark''