John Norton may refer to:

• Sir John Norton, 3rd Baronet (1620–1687), British MP for Hampshire
• John Norton (journalist) (1858–1916), Australian journalist and politician
• John Norton (MP for Sandwich), (1406–1407), British MP for Sandwich
• John E. Norton, American politician from Wisconsin
• John N. Norton (1878–1960), American politician from Nebraska
• John R. Norton III (1929–2016), American farmer and politician
• John T. Norton (1865–1942), American lawyer and politician from New York

• John Norton (athlete) (1893–1979), American athlete in track and field and Olympic medalist
• John Norton (water polo) (1899–1987), American water polo player and Olympic medalist

• John Norton, 5th Baron Grantley (1855–1943), British peer and numismatist
• Rev. John Norton, founding pastor of Old Ship Church in Hingham, Massachusetts
• John Norton (academic) (died 1462), English churchman and chancellor of New College, Oxford
• John Norton (architect) (1823–1904), English Victorian Gothic revivalist who remodelled Tyntesfield
• John Norton (author) (1936–2015), American poet and fiction writer
• John Norton (bishop) (1891–1963), Australian Roman Catholic bishop and Diocese of Bathurst
• John Norton (divine) (1606–1663), English Puritan divine and one of the first authors in British North America
• John Norton (Mohawk chief) (born c. 1760), Native American who played a prominent role in the War of 1812
• John Norton (priest) (1840–1920), Anglican priest in Canada
• John Norton (soldier) (1918–2004), United States Army general and co-founder of the US Army Air Corps
• John Bruce Norton (1815–1883), British lawyer and educationist
• John D. Norton (born 1953), Australian professor of the history and philosophy of science at the University of Pittsburgh
• John Henry Norton (1855–1923), Australian Roman Catholic bishop of Port Augusta
• John Pitkin Norton (1822–1852), American educator, agricultural chemist, and author who taught at Yale University
• John W. Norton (1876–1934), American muralist

• Jonathan Norton (born 1958), American drummer and singer
• Jack Norton (1882–1958), actor
• Jack Norton (filmmaker) (born 1980), American filmmaker and children's musician
• John Morton (disambiguation)
• John Player Norton, motorbikes manufactured by Norton and sponsored by John Player