John Frazer may refer to:
John Frazer (Australian footballer) (born 1956), Australian rules footballer for North Melbourne and Fitzroy John Frazer (architect) (born 1945), English architect and CAD pioneer John Frazer (cricketer) (1901–1927), Australian-born English cricketer John Frazer (politician) (1827–1884), Irish-born Australian politician and businessman John Fries Frazer (1812–1872), American geologist John W. Frazer (1827–1906), American soldier, planter, and businessman
See also Jack Frazer (born 1931), Canadian politician John Fraser (disambiguation) John Frazier (disambiguation)