Fairfax is both a surname and a given name. Notable people with the name include:
Surname:
Alan Fairfax, Australian cricketer
Daphne Fairfax, a British comedian
Edward Fairfax, translator
Henry Fairfax (Royal Navy officer), British Admiral and Naval Commander K.C.B., F.R.G.S.,
James Fairfax (1933–2017), Australian businessman and philanthropist
John Fairfax (disambiguation), name of several notable people
Robert Fairfax (disambiguation), name of several notable people
Ruth Fairfax, first president of the Queensland Country Women's Association
Russell Fairfax, Australian rugby league footballer
Thomas Fairfax (Gilling), a 15th/16th-century owner of Gilling Castle in North Yorkshire, England and an ancestor of both Prince William and Kate Middleton
Thomas Fairfax, 3rd Lord Fairfax of Cameron, a Roundhead during the English Civil War
William Fairfax, 18th-century colonial official and plantation owner in Virginia
William George Fairfax, a vice-admiral in the Royal Navy
Lord Fairfax of Cameron (multiple individuals), a title in the Peerage of Scotland
Viscount Fairfax of Emley (multiple individuals), a title in the Peerage of Ireland
Given name:
Fairfax M. Cone (1903–1977), American businessman
Fairfax Downey (1893–1990), American writer and military historian
Fairfax Fenwick (1852–1920), New Zealand cricketer
Sir Fairfax Moresby (1786–1877), Royal Navy officer
Fictional characters:
Gavin Fairfax, a character played by John D. Collins on the British sitcom series 'Allo 'Allo!
Colonel Fairfax, a character in the Gilbert and Sullivan comic opera The Yeomen of the Guard.
Mrs. Fairfax, a character in Charlotte Brontë's novel Jane Eyre