- Süleyman I, Sultan of the Turks, 1494 or 1495-15661
- Tactics1
- Tales1
- Talmud Torah (Judaism)1
- Talmud. Moʻed1
- Tatars1
- Tavener, William, active 14501
- Tefillin1
- Temple of Jerusalem (Jerusalem)1
- Temple of Jerusalem (Jerusalem) in rabbinical literature1
- Testamentum (Francis, of Assisi, Saint)1
- The Great Western Schism (1378-1417)1
- Theodore, Bishop of Mopsuestia, approximately 350-428 or 4291
- Therapeutics1
- Thomas, Apostle, Saint, active 1st century1
- Thomas, Aquinas, Saint, 1225?-12741
- Thyestes, King of Olympia and Mycenae (Mythological character)1
- Tiberius, Emperor of Rome, 42 B.C.-37 A.D.1
- Trinity1
- Tristan (Legendary character)1