John Spencer may refer to:

• John Spencer, 1st Earl Spencer (1734–1783), MP for Warwick 1756–1761
• John Spencer, 3rd Earl Spencer (1782–1845), British politician
• John Spencer, 5th Earl Spencer (1835–1910), British politician
• John Spencer, 8th Earl Spencer (1924–1992), father of Diana, Princess of Wales

• John Spencer (courtier) (died 1417), a servant of Henry V, MP for Suffolk, and High Sheriff of Norfolk and Suffolk in 1416
• Sir John Spencer (died 1522) (1455–1522), English landowner in Northamptonshire
• Sir John Spencer (sheriff) (1524–1586), MP for Northamptonshire and High Sheriff of Northamptonshire
• Sir John Spencer (died 1600) (1549–1600), MP for Northampton, 1572 and High Sheriff of Northamptonshire 1578,1590
• John Spencer (Lord Mayor of London) (died 1610), merchant and Lord Mayor of London
• John Spencer (speaker) (1666–1743), politician from Rhode Island colony
• John Spencer (British politician) (1708–1746), father of the 1st Earl Spencer
• John Canfield Spencer (1788–1855), American politician
• John Spencer (mayor) (born 1946), former mayor of Yonkers, New York and an unsuccessful candidate for the United States Senate
• John W. Spencer (1864–1939), Justice of the Supreme Court of Indiana

• John Spencer (snooker player) (1935–2006), English snooker player
• John Spencer (Scottish footballer) (born 1970), Scottish international football player and manager
• John Spencer (footballer, born 1934) (1934–2007), English football player for Sheffield United
• John Spencer (footballer, born 1898) (1898–?), English football player for Stoke
• 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 (rugby, born 1880) (1880–1936), New Zealand rugby player
• John Spencer (Australian footballer) (1927–1998), Australian rules footballer
• John Spencer (rugby league, born 1946) (1946–2021), Australian rugby league player
• Johnny Spencer (1897–1984), American Negro leagues baseball player

• John Spenser or Spencer (1559–1614), one of the translators of the authorized version (1611) of the Bible and president of Corpus Christi College, Oxford
• John Spencer (priest) (1630–1693), English clergyman and scholar, Master of Corpus Christi College, Cambridge
• Pseudonym of William Edward Vickers (1889–1965), English mystery writer
• John Spencer (actor) (1946–2005), American actor in television series' including L.A. Law and The West Wing
• John Spencer (boat designer) (1931–1996), New Zealand architect and boat designer
• John H. Spencer (1907–2005), historian and advisor to Ethiopia
• John O. Spencer (1857–1947), fifth president of Morgan College
• Henk van Broekhoven, later known as John Spencer, Dutch singer, see The Dynamic Rockers
• John Spencer (businessman) (1934 or 1935–2016), New Zealand business magnate
• John Spencer, American military officer, researcher and author

• Jon Spencer (born 1965), American rock musician
• John Spencer-Churchill (disambiguation)
• John Spenser (disambiguation)
• John Spencer & Co, British paperback publisher
• Jack Spencer (disambiguation)

Topics referred to by the same term

This disambiguation page lists articles about people with the same name.
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