John Spencer
John Spencer is the name of the following people:
- John Spencer (theologian) (1630–1693), British theologian
- John Spencer, 1st Earl Spencer (1734–1783), British peer
- John Spencer, 5th Earl Spencer (1835–1910), British peer and politician
- John Spencer, 8th Earl Spencer (1924–1992), British peer
- John Spencer (snooker player) (1935-2006), English snooker player
- John Spencer (actor) (1946–2005), American actor
- John Spencer (Author) (born 1954), British non-fiction author
- John Spencer (soccer player) (born 1970), Scottish soccer player
- John Spencer-Churchill, 7th Duke of Marlborough (1822-1883), British statesman and nobleman
- John Spencer-Churchill, 10th Duke of Marlborough (1897–1972), British nobleman and politician
- John Spencer-Churchill, 11th Duke of Marlborough (1926–2014), British nobleman and politician
- John Strange Spencer-Churchill (1880–1947), British officer
- John Canfield Spencer (1788–1855), American politician
See also:
- The Jon Spencer Blues Explosion , American rock band