William Thorne may refer to:

William Thorne (chronicler) (fl. 1397), English Benedictine monk William Thorne (orientalist) (1568?–1630), English Hebraist William Thorne (mayor of Brisbane), mayor of Brisbane, Queensland, Australia, 1898 William Thorne (mayor of Cape Town) (1839–1917), mayor of Cape Town (1901–1904) William Henry Thorne (1844–1923), Canadian Senator for New Brunswick (1913–1923) William P. Thorne (1845–1928), Lieutenant Governor of Kentucky (1903–1907) William Thorne (philatelist) (1845–1907), American businessman and philatelist Will Thorne (1857–1946), Member of the British Parliament William V.S. Thorne (1865–1920), American tennis player William L. Thorne (1878–1948), American film actor William A. Thorne Jr., judge of the Utah Court of Appeals (2000–present) Willie Thorne (1954–2020), English snooker player