John Spencer can refer to different people:

Earls

• John Spencer, 1st Earl Spencer (1734-1783)
• 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)

Others

• John Spencer (1708-1746), father of the 1st Earl Spencer
• John Canfield Spencer (1788?1855), American politician
• pseudonym of William Edward Vickers (1889-1965), English mystery writer
• John Spencer (1935-2006), English snooker player
• John Spencer (1946-2005), American actor in television series' including L.A. Law and The West Wing
• John Spencer (born 1946), is the former Mayor of Yonkers, New York and an unsuccessful candidate for the United States Senate
• John Spencer (born 1970), former Scottish football player
• John Spencer (born 1947), former English Rugby Player
• John Spencer (born 1949), former Sussex cricketer

See also

• Jon Spencer Blues Explosion, New York band
• John Spencer-Churchill
• John Spenser
• John Spencer & Co, British paperback publisher

?????????John SpencerJohn SpencerJohn Spencer