John Sullivan

John Sullivan may refer to:

Activists

 * John Earle Sullivan, Insurgence USA organizer arrested following the 2021 Capitol riot
 * William John Sullivan (born 1976), usually known as John Sullivan, free software activist

Clergy

 * John Sullivan (Jesuit) (1861–1933), Irish priest, Catholic Blessed in the Altars
 * John Joseph Sullivan (bishop) (1920–2001), American clergyman of the Roman Catholic Church

Entertainers

 * John Sullivan (writer) (1946–2011), English screenwriter for sitcoms including Only Fools and Horses, Citizen Smith and Just Good Friends
 * Fred Allen (John Florence Sullivan), American radio comedian
 * John Jeremiah Sullivan (born 1974), American writer and editor
 * John L. Sullivan (elephant) (c. 1860–1932), boxing elephant of the Adam Forepaugh Circus

Mathematicians

 * John M. Sullivan (mathematician) (born 1963), American mathematician
 * John W. Sullivan, mathematician and member of the Palliser Expedition

Politicians

 * John Sullivan (Australian politician) (born 1929), Australian politician
 * John Sullivan (colonial administrator) (1788–1855), district collector of Coimbatore, southern India
 * John Sullivan (MP) (1749–1839), British Privy Counsellor, MP for Aldborough, Ashburton and Old Sarum
 * John Sullivan (Oklahoma politician) (born 1965), United States Representative from Oklahoma
 * John Alexander Sullivan (1879–1952), Conservative member of the Canadian House of Commons
 * John Andrew Sullivan (1868–1927), United States Representative from Massachusetts
 * John Augustus Sullivan (1798–1871), Jamaican politician
 * John B. Sullivan (1897–1951), United States Representative from Missouri
 * John J. Sullivan (diplomat) (born 1959), 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) (1899–1982), 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) (born 1959), Illinois state senator
 * John P. Sullivan (politician) (1843–1899), merchant and politician in Prince Edward Island, Canada

Soldiers

 * John Sullivan (American sailor) (1839–1913), American Civil War sailor and Medal of Honor recipient
 * John Sullivan (general) (1740–1795), United States general and delegate to the Continental Congress, Governor of New Hampshire and federal judge
 * John Sullivan (VC) (1830–1884), Irish sailor who won the Victoria Cross
 * John P. Sullivan (general), United States Army general

Baseball

 * John Sullivan (1900s catcher) (1873–1924), MLB catcher from 1905 to 1908
 * John Sullivan (outfielder) (1890–1966), MLB outfielder from 1920 to 1921
 * John Sullivan (pitcher) (1894–1958), MLB pitcher in the 1919 season
 * John Sullivan (shortstop) (1920–2007), MLB shortstop from 1942 to 1949
 * John Sullivan (1960s catcher) (1941-2023), MLB catcher from 1963 to 1968

Cricket

 * John Sullivan (Lancashire cricketer) (1945–2006), English cricketer
 * John Sullivan (Gloucestershire cricketer) (born 1948), English cricketer

Association football

 * John Sullivan (English footballer) (born 1988), English goalkeeper with Portsmouth F.C.
 * John Sullivan (Irish footballer) (born 1991), Irish midfielder with Drogheda United F.C.

Gridiron football

 * John Sullivan (Canadian football) (born 1981), Canadian football player
 * John Sullivan (center) (born 1985), American football player
 * John Sullivan (kicker) (born 1985), American football player
 * John Sullivan (defensive back) (born 1961), American football defensive back
 * John Sullivan (American football coach) (1938–2010), American football player and coach

Other sports

 * John Sullivan (horse trainer), American Thoroughbred racehorse trainer
 * John Sullivan (shot putter), silver medalist in the shot put at the 2000 African Championships in Athletics
 * John Sullivan (tennis) (born 1966), American tennis player
 * John L. Sullivan (1858–1918), Irish-American boxer and first heavyweight boxing champion
 * John L. Sullivan (wrestler) (born 1946), professional wrestler better known as Johnny Valiant
 * John F. Sullivan (1935–2010), player in the American Basketball League

Other people

 * John C. Sullivan (died 1830), surveyor who established the eastern border of Indian Territory
 * John Joseph Sullivan (judge) (1855–1926), Chief Justice of the Nebraska Supreme Court
 * John Sullivan (1793–1867), 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