John VIII

John VIII is the name of the following people:

• John VIII (antipope) († after 844), antipope
• John VIII (Pope) († 882), Pope
• John VIII (Constantinople) (~ 1010-1075), Patriarch of Constantinople
• John VIII (Jerusalem) , Patriarch of Jerusalem from 1099 to 1107
• John VIII (Byzantium) (1392–1448), Emperor of the Byzantine Empire
• Johannes VIII. Grimholt (also Grymmolt, Grymmelt ; ~ 1450–1523), German bishop of Lübeck

This is a disambiguation page for differentiating between several terms identified with the same word.