Theodosius of Antioch may refer to:
Saint Theodosius of Antioch (4th–early 5th century), Christian ascetic, monk, and founder of monasteries near Antioch and Maraton Theodosius Romanus, Syriac Orthodox patriarch of Antioch (887–896) Theodosius I of Antioch, Greek Orthodox patriarch of Antioch (870–890) Theodosius II of Antioch, Greek Orthodox patriarch of Antioch (936–943) Theodosius III of Antioch, Greek Orthodox patriarch of Antioch (1057–1059) Theodosius IV of Antioch, Greek Orthodox patriarch of Antioch (1269–1276) Theodosius of Villehardouin, Greek Orthodox patriarch of Antioch (1278–1283) Theodosius V Dahan, Melkite Greek Catholic patriarch of Antioch (1761–1788) Theodosius VI of Antioch, Greek Orthodox patriarch of Antioch (1958–1970)