John Spencer
John Spencer may refer to:
Earls
- John Spencer, 1st Earl Spencer, MP for Warwick 1756–1761
- John Spencer, 3rd Earl Spencer, British politician
- John Spencer, 5th Earl Spencer, British politician
- John Spencer, 8th Earl Spencer, father of Diana, Princess of Wales
Politicians
- John Spencer (courtier), a servant of Henry V, MP for Suffolk, and High Sheriff of Norfolk and Suffolk in 1416
- Sir John Spencer (died 1522), English landowner in Northamptonshire
- Sir John Spencer (sheriff), MP for Northamptonshire and High Sheriff of Northamptonshire
- Sir John Spencer (died 1600), MP for Northampton, 1572 and High Sheriff of Northamptonshire 1578,1590
- John Spencer (Lord Mayor of London), merchant and Lord Mayor of London
- John Spencer (speaker), politician from Rhode Island colony
- John Spencer (British politician), father of the 1st Earl Spencer
- John Spencer (1767–1831), MP for Wilton
- John Canfield Spencer, American politician
- John Spencer (mayor), former mayor of Yonkers, New York and an unsuccessful candidate for the United States Senate
- John W. Spencer, Justice of the Supreme Court of Indiana
Sportsmen
- John Spencer (rugby, born 1880), New Zealand rugby player
- Johnny Spencer, American Negro leagues baseball player
- John Spencer (footballer, born 1898), English football player for Stoke
- John Spencer (Australian footballer), Australian rules footballer
- John Spencer (footballer, born 1934), English football player for Sheffield United
- John Spencer (snooker player), English snooker player
- John Spencer (American football), American college football coach
- John Spencer (rugby league, born 1946), Australian rugby league player
- John Spencer (rugby union, born 1947), former English national rugby union team captain
- John Spencer (cricketer, born 1949), former Sussex cricketer
- John Spencer (cricketer, born 1954), former Wiltshire cricketer
- John Spencer (Scottish footballer), Scottish international football player and manager
Others
- John A. Spencer (inventor) - ubiquitous bimetal snap-action temperature sensor
- John Spenser or Spencer, one of the translators of the authorized version of the Bible and president of Corpus Christi College, Oxford
- John Spencer (priest), English clergyman and scholar, Master of Corpus Christi College, Cambridge
- Pseudonym of William Edward Vickers, English mystery writer
- John Spencer (actor), American actor in television series' including L.A. Law and The West Wing
- John Spencer (boat designer), New Zealand architect and boat designer
- John H. Spencer, historian and advisor to Ethiopia
- John O. Spencer, fifth president of Morgan College
- Henk van Broekhoven, later known as John Spencer, Dutch singer, see The Dynamic Rockers
- John Spencer (businessman), New Zealand business magnate
- John Spencer (military officer), American military officer, researcher and author