John of Ibelin

• John of Ibelin, Old Lord of Beirut, constable of Jerusalem, regent of the kingdoms of Jerusalem and Cyprus, opponent of Frederick II, Holy Roman Emperor
• John II of Beirut, grandson of the "Old Lord of Beirut"
• John of Arsuf, constable of Jerusalem
• John of Ibelin (jurist), count of Jaffa and Ascalon, bailli of Cyprus, and author of the Assizes of the Haute Cour of Jerusalem
• John of Ibelin (1277–1309), Lord of Arsuf, grandson of John of Arsuf