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:
“a notable prince that was called King John;
And he ruled England with main and with might,
For he did great wrong, and maintained little right.”
—Unknown. King John and the Abbot of Canterbury (l. 2–4)
“I have found it impossible to carry the heavy burden of responsibility and to discharge my duties as King as I would wish to do without the help and support of the woman I love.... I now quit altogether public affairs, and I lay down my burden.”
—Edward VIII (1894–1972)