John VIII may refer to:
- Pope John VIII, Pope from 872 to 882
- Antipope John VIII, antipope in 844
- Patriarch John VIII of Constantinople, Patriarch from 1064 to 1065
- John VIII Palaiologos (1392–1448), Byzantine Emperor
- John VIII, Count of Harcourt, 1398–1424
- John VIII, Count of Vendôme, 1426–1477
- John VIII, Archbishop of Antivari, d. 1571
- John VIII, Count of Nassau-Siegen, 1583–1638
- The mythical Pope Joan, in some versions of her legend
Famous quotes containing the words john and/or viii:
“Perfect soldier, perfect gentleman ... never gave offence to anyone, not even the enemy.”
—A.J.P. (Alan John Percivale)
“Out of the mouth of babes and sucklings hast thou ordained strength
because of thine enemies, that thou mightest still the enemy and the
avenger.”
—Bible: Hebrew Psalm VIII (l. VIII, 2)