John of Jerusalem may refer to: Monarchs John of Brienne (c. 1170–1237), King of Jerusalem (as John I) John I of Cyprus (1259 or c. 1267–1285), King of Cyprus and Jerusalem (as John II) John II of Cyprus (1432–1458), King of Cyprus and Jerusalem (as John III) Religious leaders John the Baptist (died ca. 28 AD), Patron saint of Jerusalem John II of Jerusalem (c. 387–417), Bishop of Jerusalem John III of Jerusalem (516-524), Patriarch of Jerusalem John IV of Jerusalem (575-594), Patriarch of Jerusalem John V of Jerusalem (706-735), Patriarch of Jerusalem John VI of Jerusalem (838-842), Patriarch of Jerusalem John VII of Jerusalem (964-966), Patriarch of Jerusalem John VIII of Jerusalem (1106–1156), Patriarch of Jerusalem in exile John IX of Jerusalem (1156–1166), Patriarch of Jerusalem in exile