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:
“For beauties from worth arise
Are like the grace of deities,”
—Sir John Suckling (1609–1642)
“For thou hast made him a little lower than the angels, and hast
crowned him with glory and honor.
Thou madest him to have dominion over the works of thy hands;”
—Bible: Hebrew Psalm VIII (l. VIII, 5–6)