John Frazer

• John Frazer (Australian footballer), Australian rules footballer for North Melbourne and Fitzroy
• John Frazer (architect), English architect and CAD pioneer
• John Frazer (cricketer), Australian-born English cricketer
• John Frazer (politician), Irish-born Australian politician and businessman
• John Fries Frazer, American geologist
• John W. Frazer, American soldier, planter, and businessman