Patriarch Jacob may refer to: Jacob, one of the biblical Patriarchs Patriarch Jacob of Alexandria Patriarch Jacob I, Maronite Patriarch of Antioch in 1141–1151 Patriarch Jacob II, Maronite Patriarch of Antioch in 1277–1278 Patriarch Jacob III, Maronite Patriarch of Antioch in 1445–1468 Patriarch Jacob IV, Maronite Patriarch of Antioch in 1705–1733