John Simpson
John, Johnny, or Jock Simpson may refer to:
Politicians
- John Simpson (Parliamentarian), politician of the post-English Civil War period, see Thomas Kelsey
- John Simpson (Kentucky politician), American attorney and politician
- John Simpson (MP for Wenlock), English member of parliament for Wenlock
- John Simpson (Lower Canada politician), government official and politician in Quebec
- John Simpson (Niagara politician), Canadian businessman and politician
- John Simpson (Ontario politician), Ontario banker and member of the Senate of Canada
- Sir John Hope Simpson, British Liberal politician and administrator in India
- John A. Simpson, Canadian politician
- John Thomas Simpson, Conservative member of the Canadian House of Commons
- John Simpson (died 1803), British member of parliament for Mitchell
- John Simpson (Kansas politician), former Kansas state senator
Cultural figures
- John Simpson, bassist in the American R&B band The S.O.S. Band
- John Simpson (artist), British painter who painted The Captive Slave
- John Simpson (actor/producer), Canadian actor
- Sir John William Simpson, English architect
- John Simpson (architect), British modern-day classical architect
- John Palgrave Simpson, Victorian playwright
- John L. Simpson, Australian film and theatre producer, writer and distributor
- John Simpson (journalist), BBC journalist, foreign correspondent and author
Academic figures
- John Simpson (silversmith), British-born New Zealand teacher and silversmith
- John Baird Simpson, Scottish geologist
- John B. Simpson, former president of the University at Buffalo
- John Wistar Simpson, American electrical engineer
- John Simpson (lexicographer)
- John Alexander Simpson, physicist
- John Simpson (British nuclear physicist)
Sports figures
- Jock Simpson, England and Blackburn Rovers footballer
- John Simpson (footballer, born 1918), English footballer, played for Huddersfield Town and York City
- John Simpson (footballer, born 1933), English footballer, played for Lincoln City and Gillingham
- John Simpson (boxer), Scottish featherweight boxer
- John Simpson (English cricketer), Sussex County Cricket Club
- John Simpson (New Zealand cricketer), Auckland cricket team
- John Simpson (fencer), Australian Olympic fencer
- John Simpson (basketball), professional basketball player
- John Simpson (American football), American football offensive lineman
- Johnny Simpson, New Zealand rugby union player
- John Simpson (rugby union), Scottish rugby union player
Military figures
- John Simpson (soldier), American Revolutionary War soldier at the Battle of Bunker Hill
- John Simpson (VC), Scottish recipient of the Victoria Cross
- John Simpson Kirkpatrick, Australian World War I war hero
- John Frederick Simpson, Australian corporal who was executed in the Ration Truck massacre
- John Simpson (RAF officer), senior RAF officer in the mid-1950s and eighth Commandant Royal Observer Corps
- John Simpson (British Army officer), British Army officer and Director SAS
Miscellaneous figures
- John Simpson (journalist/consumer advocate), American consumer rights advocate and former journalist
- John Simpson (Presbyterian), of South Carolina, in the American Revolutionary War
- John Simpson (Unitarian), of Bath, English Unitarian minister and religious writer
- John Woodruff Simpson, American lawyer and founding partner at Simpson Thacher & Bartlett
- John D. Simpson, Canadian businessman in the Canadian Mining Hall of Fame
- John Milton Bryan Simpson, American judge
- John Simpson (police official), director of the U.S. Secret Service and Interpol
- John Simpson (priest), Anglican clergyman