John Buchanan
John Buchanan may refer to:
Business
- John Buchanan , New Zealand-born scientist and director
- John C. Buchanan , businessman in San Francisco
- John Murdoch Buchanan, businessman and Chancellor of the University of British Columbia
Politics and law
- John Buchanan , premier of Nova Scotia, 1978–1990.
- John Buchanan, American journalist and U.S. presidential candidate, 2004
- John Buchanan , chief judge of the Maryland Court of Appeals
- John Buchanan , Scottish politician, MP for Dunbartonshire 1821–26
- John Buchanan , New Zealand politician
- John A. Buchanan, US House of Representatives member from Virginia
- John Alexander Buchanan, Canadian senator
- John Andrew Buchanan, judge and politician in Astoria in the U.S. state of Oregon
- John C. Buchanan, Texas state senator, 1879–1885, see Eighteenth Texas Legislature
- John C. Buchanan , Virginia state senator, 1972–1991
- John H. Buchanan Jr., US House of Representatives member from Alabama
- John P. Buchanan, governor of Tennessee
- John Preston Buchanan, American politician in the Virginia Senate
- J. W. Buchanan, Arizona politician, state senator, state house of representatives
Religion
- John Buchanan , pastor of the Fourth Presbyterian Church of Chicago
- John Buchanan , American bishop of the Episcopal Church
Sciences and medicine
- John Buchanan , professor of biochemistry at the Massachusetts Institute of Technology
- John Buchanan , New Zealand botanist and scientific artist
- John Young Buchanan, Scottish chemist, oceanographer and Arctic explorer
Sports
- John Buchanan , English cricketer and decorated WWI officer
- John Buchanan , Australian cricketer and coach
- John Buchanan , Scottish footballer
- John Buchanan , Scottish footballer
- John Buchanan , Scottish footballer
- John Buchanan , Scottish footballer
- John Buchanan, Scottish footballer
- John Buchanan , British Olympic gold medalist in 1908
- John Buchanan , Irish rugby union player
- Sir John Buchanan , Scottish rugby union player and medical advisor
- John Buchanan, former Canadian soccer coach, in the Canadian Soccer Hall of Fame
Other fields
- John Buchanan , American settler and founder of Buchanan's Station
- John Buchanan, Australian inventor of the atmospheric diving suit
- John Buchanan , British judoka
- John Buchanan , Scottish agriculturalist and early colonial settler in Nyasaland
- John Buchanan Virginia landowner, magistrate and soldier
- John Lee Buchanan, second president of Virginia Tech
- John Lanne Buchanan, Scottish author