William Fitzgerald

William Fitzgerald or FitzGerald may refer to:

• William Fitzgerald (Tennessee politician) (1799–1864), U.S. Representative from Tennessee
• William F. Fitzgerald (1846–1903), California Attorney General and state Supreme Court justice
• William Henry Fitzgerald (1849–1922), Wisconsin State Assemblyman
• William T. Fitzgerald (1858–1939), U.S. Representative from Ohio
• William James Fitzgerald (Kansas politician) (1861–1937), Lieutenant Governor of Kansas
• William S. Fitzgerald (1880–1937), American politician
• William J. Fitzgerald (1887–1947), U.S. Representative from Connecticut
• William H. G. FitzGerald (1909–2006), U.S. Ambassador to Ireland
• William B. Fitzgerald (1914–1970), Michigan politician
• William B. Fitzgerald Jr. (1942–2008), American politician in Michigan

• William FitzGerald, 2nd Duke of Leinster (1749–1804), Irish liberal politician and landowner
• Lord William FitzGerald (1793–1864), Irish politician
• William Patrick Fitzgerald (1864–1938), Australian politician
• William James Fitzgerald (jurist) (1894–1989), Irish jurist; Chief Justice of the Supreme Court of Palestine
• William FitzGerald (Irish judge) (1906–1974), Irish lawyer and judge

• William FitzGerald, 13th Earl of Kildare (died 1599), Irish nobleman
• William Fitzgerald (Bishop of Clonfert and Kilmacduagh) (died 1722), Anglican bishop in Ireland
• William Thomas Fitzgerald (1759–1829), British poet
• William FitzGerald-de Ros, 22nd Baron de Ros (1797–1874), British Lord and general
• William FitzGerald (bishop) (1814–1883), Irish Anglican bishop
• William Fitzgerald (educationalist) (1838–1920), New Zealand teacher and educationalist
• William Vincent Fitzgerald (1867–1929), Australian botanist
• Nathan Boya, alias of William Fitzgerald (1924–2022), American daredevil
• William Charles Fitzgerald (1938–1967), United States Navy officer

• William Vesey-Fitzgerald (disambiguation)
• Bill Fitzgerald (disambiguation)