John or Jack Fitzgerald, or variants, may refer to:

Military

  • Sir John Forster FitzGerald (1785–1877), Irish soldier, officer in British Army during the Napoleonic wars and Liberal MP
  • John Fitzgerald (soldier) (1817–?), American soldier
  • John Fitzgerald (Medal of Honor) (1873–1948), American Medal of Honor recipient

Nobility

  • John FitzGerald, 1st Baron Desmond (died 1261)
  • John FitzGerald, 1st Earl of Kildare (c. 1250–1316), Irish nobleman
  • John FitzGerald, 4th Earl of Desmond (died 1399)
  • John FitzGerald, de facto 12th Earl of Desmond (died 1534)
  • John Fitzedmund Fitzgerald (died 1589), Irish baron
  • John FitzGerald, 18th Earl of Kildare (1661–1707)
  • Lord John FitzGerald (1952–2015), Irish nobleman

Politics and law

UK

  • Sir John Fitzgerald (governor) (), Irish soldier and governor of Tangier
  • John FitzGerald, 15th Knight of Kerry (1706–1741), Irish MP for Dingle
  • John Fitzgerald (1775–1852), British MP for Seaford 1826–32
  • John FitzGerald, Baron FitzGerald (1816–1889), Irish judge and politician
  • Sir John Fitzgerald (brewer) (1857–1930), Lord Mayor of Newcastle upon Tyne, England, 1914–1915
  • Jack Fitzgerald (socialist) (1873–1929), founding member of the Socialist Party of Great Britain

U.S.

  • John Fitzgerald (Wisconsin politician) (c. 1827–1863), Wisconsin banker and politician
  • John Wesley Fitzgerald (politician, born 1850) (1850–1908), American businessman and politician
  • John C. Fitzgerald (1863–1928), New York politician
  • John F. Fitzgerald (1863–1950), aka "Honey Fitz", mayor of Boston, grandfather and namesake of president John F. Kennedy
  • John J. Fitzgerald (1872–1952), U.S. representative from New York
  • John I. Fitzgerald (1882–1966), American attorney and politician in Massachusetts
  • John Moonan Fitzgerald (1923–2008), U.S. jurist and politician
  • John Warner Fitzgerald (1924–2006), Michigan chief justice
  • John Wesley Fitzgerald (politician, born 1990), Michigan state representative
  • John F. Kennedy, (1917–1963), 35th U.S. President

Other figures in politics and law

  • John Daniel FitzGerald (1862–1922), Australian politician
  • Jack Fitzgerald (Australian politician) (1864–1936), member of the South Australian House of Assembly
  • John FitzGerald of Dromana (died 1662 or 1664), MP for Dungarvan in the Irish Parliament
  • Jack Fitzgerald (Irish politician) (John Fitzgerald, 1914–1994), Irish Labour Party politician

Science and medicine

  • John Patrick Fitzgerald (1815–1897), New Zealand doctor, community leader and hospital superintendent
  • John G. FitzGerald (1882–1940), Canadian physician
  • John Fitzgerald (computer scientist) (born 1965), British computer scientist and Chair of Formal Methods Europe

Sports

American football

  • John Fitzgerald (center) (1948–2026), Dallas Cowboys center
  • John Fitzgerald (quarterback) (born 1975), Arena Football League quarterback
  • John Fitzgerald (offensive guard) (), former University of Central Oklahoma lineman

Association football (soccer)

  • Jack Fitzgerald (footballer) (1930–2003), Irish footballer
  • John Fitzgerald (soccer) (born 1968), Canadian soccer player, businessman & corporate lawyer
  • John Fitzgerald (footballer) (born 1984), Irish footballer

Baseball

  • John Fitzgerald (Rochester Broncos pitcher) (1866–1892), pitcher for the 1890 Rochester Broncos
  • John Fitzgerald (Boston Reds pitcher) (1870–1921), pitcher for the 1891 Boston Reds
  • John Fitzgerald (1950s pitcher) (born 1933), pitcher for the 1958 San Francisco Giants
  • John Fitzgerald (catcher) (), Negro league baseball catcher

Other sports

  • John J. Fitz Gerald (1893–1963), American turf racing sportswriter
  • Jack Fitzgerald (cyclist) (1899–1973), Australian cyclist
  • John Fitzgerald (Australian footballer, born 1961), former Geelong player
  • John Fitzgerald (Australian footballer, born 1901) (1901–1987), Fitzroy player
  • John Fitzgerald (tennis) (born 1960), Australian tennis player
  • John Fitzgerald (pentathlete) (born 1948), American modern pentathlete
  • John Fitzgerald (rugby union) (born 1961), Irish rugby union international player
  • Jack Fitzgerald (rugby league) (1925–1965), Australian rugby league player

Others

  • John Fitzgerald (priest) (), Dean of Cork
  • John Anster Fitzgerald (1819–1906), English fairy painter and portrait artist
  • John Driscoll Fitz-Gerald (1873–1946), American scholar and philologist
  • John D. Fitzgerald (1906–1988), American author of children's books
  • John Fitzgerald (poet) (1927–2007), English Carmelite priest and philosopher and Welsh-language poet
  • John D. FitzGerald (born 1949), Irish economist and former director of the Economic and Social Research Institute
  • John S. Fitzgerald,<!--red link--> a frontiersman and erstwhile companion to Hugh Glass

See also

  • Fitzgerald (disambiguation)