John Thornton may refer to:
Sports John Thornton (Australian cricketer) (1835–1919), Australian cricketer John Thornton (Leicestershire cricketer) (1902–1993), English cricketer John Thornton (baseball), American baseball pitcher John Thornton (defensive tackle, born 1969), American football player John Thornton (defensive tackle, born 1976), American football player John Thornton (athlete) (1911–1944), British Olympic hurdler
Government and politics John Thornton (MP), English member of parliament (MP) for Kingston upon Hull in 1554, 1562/3 and 1571 John Thornton (Canadian politician) (1823–1888), Canadian merchant and politician in Quebec John Thornton (American politician) (1846–1917), American Louisiana politician and senator
Business John Thornton (philanthropist) (1720–1790), British merchant and Christian philanthropist John L. Thornton (born 1954), American businessman, former president and co-COO of Goldman Sachs John P. Thornton, CEO of Astrobotic Technology Inc. John Thornton (venture capitalist) (1965–2025)
Other John Thornton (glass painter) (), English glazier and stained glass artist John Thornden or Thornton, English 16th-century bishop and university administrator John Thornton (cartographer) (1641–1708), English cartographer and hydrographer John Thornton (historian) (born 1949), American historian John S. Thornton (born 1932), American Episcopal bishop John Wingate Thornton, American lawyer, historian, antiquarian, book collector and author
Fictional characters John Thornton, a leading character in Jack London's novel The Call of the Wild John Thornton (North and South), a leading character in Elizabeth Gaskell's novel North and South
See also Jack Thornton (disambiguation)