John Frazer

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
 * John Fries Frazer (1812–1872), American geologist
 * John W. Frazer (1827–1906), American soldier, planter, and businessman