John Preston
John Preston may refer to:
Politicians
- John Preston (died 1434), Member of Parliament for Sussex
- John Preston (c. 1578 – c. 1642), MP for Lancaster
- John Preston (alderman), mayor of Dublin in 1654
- John Preston (died 1732), MP for County Meath
- John Preston (died 1753), MP for Navan
- John Preston (died 1781), MP for Navan
- John Preston, 1st Baron Tara, Irish politician
- John B. Preston, first Surveyor General of the Oregon Territory
Fiction
- John Preston, a fictional character in the 2002 feature film Equilibrium
- John James Preston, a fictional character in the American TV series Sex and the City
- Alias John Preston, a 1955 British horror film
Military
- John S. Preston, American Civil War general
- John Preston (Medal of Honor), American Civil War sailor and Medal of Honor recipient
- John F. Preston, United States Army officer, Inspector General
- John Thomas Lewis Preston, American educator and military officer from Virginia
Others
- John Preston (rebel), participant in Peasants' Revolt
- John Preston (priest), English clergyman
- John Preston, Lord Fentonbarns, Scottish judge
- John Preston (settler), Irish immigrant to America, founder of the Preston dynasty
- John Preston (luthier), 18th-century English guitar and cittern maker
- John W. Preston, American judge
- Jack Preston, English rugby league player of the 1900s
- Johnny Preston, American pop music singer
- John Preston (American author), American author of gay erotica
- John Preston (music executive), British music industry executive
- John Preston (English author), English journalist and novelist
- John G. Preston, American film and stage actor
- John Preston (dog handler), law enforcement officer whose dog was involved in controversial criminal cases in Florida
- John T. Preston, venture capitalist and entrepreneur
- John Preston (fencer), Welsh fencer