- Theravāda Buddhism--Doctrines1
- Theseus, King of Athens1
- Thilla, Berto1
- Third Order Secular of St. Francis1
- Third orders1
- Thirty Years' War (1618-1648)1
- Thomas de Grinham1
- Thomas, Apostle, Saint, active 1st century1
- Thomas, à Becket, Saint, 1118?-11701
- Thomists1
- Throat--Diseases1
- Thunder--Religious aspects1
- Thyestes, King of Olympia and Mycenae (Mythological character)1
- Tiberius, Emperor of Rome, 42 B.C.-37 A.D.1
- Tibullus1
- Tibyān fī tafsīr al-Qurʼān (Ṭūsī, Muḥammad ibn al-Ḥasan)1
- Time (Islamic law)1
- Time perspective1
- Time--Philosophy1
- Time--Religious aspects--Islam1