John Fairfax (1804–1877) was an English-born Australian journalist.
John Fairfax may also refer to: John Fairfax (delegate) (1762–1843), manager for George Washington who became a planter and politician in what became West virginia John Fairfax (minister) (1623–1700), English ejected minister John Fairfax, 11th Lord Fairfax of Cameron (1830–1900), British peer with American citizenship John Fairfax (poet) (1930–2009), English poet John Fairfax (rower) (1937–2012), British ocean rower and adventurer
See also John Fairfax Holdings (founded 1841), predecessor of Australian company Fairfax Media