William Martin
William Martin may refer to:
Arts
- William Martin (painter), English history painter
- William Martin (architect), British architect
- E. William Martin, Scottish-born American architect
- William Martin (garden designer), Scottish-born Australian plantsman and garden designer
- William Martin (novelist), American novelist
- William Martin (tenor), American opera singer
- William E. Martin, American songwriter, screenwriter and voice actor
- William H. "Dad" Martin, American photographer
- William Martin (director), American stage director
Military
- William T. Martin, American lawyer, politician and Confederate States Army general
- William Martin (Royal Navy officer), naval officer and admiral
- Sir William Martin, 4th Baronet, First Sea Lord of Britain, 1858–1859
- William Martin (American sailor, USS Benton), New York born American Civil War sailor and Medal of Honor recipient
- William Martin (American sailor, USS Varuna), Irish-born American Civil War sailor and Medal of Honor recipient
- William Martin (Royal Marines officer), invented by British military intelligence for a Second World War deception plan
- William Franklin Martin, United States Army general
Politics and government
- William Martin, 1st Baron Martin, English noble
- Sir William Martin (Athelhampton), MP for Dorset in 1478
- William Martin (MP for Exeter), MP for Exeter (UK Parliament constituency), 1597
- William D. Martin, US congressman from South Carolina
- William Martin (merchant), American merchant, politician in Tennessee
- Sir William Martin (judge), first Chief Justice of New Zealand, 1841–1857
- William Harrison Martin, U.S. Representative from Texas
- William V. Martin, British Vice-Consul in Ferrol, Spain
- William T. Martin (mayor), mayor of Columbus, Ohio
- Lee Martin (politician), New Zealand politician of the Labour Party
- William Melville Martin, premier of Saskatchewan
- William Martin (Canadian politician), Canadian clergyman and politician
- William Martin (Scottish politician), British MP for Dunbartonshire, 1923–1924
- William McChesney Martin, American business executive, former Federal Reserve Chairman
- William Martin (Australian politician), New South Wales politician
- William B. Martin, American politician
- William O'Hara Martin, American merchant, politician and banker from Nevada
- William E. Martin (New York politician), American politician from New York
Science, engineering and philosophy
- William Martin (naturalist), English naturalist and palaeontologist
- William Martin (philosopher), English inventor, eccentric, and philosopher
- William Charles Linnaeus Martin, English naturalist
- William Clyde Martin Jr., American physicist
- William Keble Martin, British botanist
- William A. Martin, American computer scientist
- William F. Martin, American botanist and molecular biologist
- William Flynn Martin, energy economist, educator, and international diplomat
- William Hamilton Martin, American cryptologist, defector to the Soviet Union
Sport
- William Martin (Australian cricketer), Australian cricketer
- William Martin (English cricketer), English cricketer
- William Martin (English footballer), professional footballer for Huddersfield Town
- William Martin (footballer, born 2007), Danish-Irish footballer
- William Martin (sport shooter), American Olympic sport shooter
- William Martin (swimmer), Australian Paralympic swimmer
- William Martin (water polo), British Olympic water polo player
- William Martin (Olympic sailor), French sailor
- William C. Martin, University of Michigan athletics director
- William K. Martin, American college football and baseball coach
- Will Martin (rugby union), New Zealand rugby union player
- Trevor Martin (umpire), New Zealand Test cricket umpire
- Willie Martin (Scottish footballer)
Others
- William Martin, with Bass and Flinders in Tom Thumb, see Martin Islet (New South Wales)
- William Alexander Parsons Martin, American Presbyterian missionary and translator
- William Byam Martin, English merchant and official of the East India Company
- William Clyde Martin, American Methodist bishop
- William Joseph Martin Jr., president of Davidson College
- William R. H. Martin, American businessman
- William Thomas Martin, South Australian school inspector