- Typology (Theology)1
- Tzutuhil language1
- Tzutuhil language--Grammar1
- Tārīkh Baghdād (Khaṭīb al-Baghdādī, Abū Bakr Aḥmad ibn ʻAlī)1
- Tārīkh al-Yamīnī (ʻUtbī, Muḥammad ibn ʻAbd al-Jabbār)1
- Ugo, Giacoma di1
- Ugo, Piero di1
- Ugolino, Lodovico di1
- Uguccioni, Carlo1
- Ukraine--Bilohirsʹk1
- Ukraine--Crimea1
- Ukraine--Kam'i︠a︡net︠s︡ʹ-Podilʹsʹkyĭ1
- Ukraine--Lʹviv1
- Ulivieri, Petronio1
- Ulric, Saint, Bishop of Augsburg, 890-9731
- Umidis, Jacomo di Pietro de1
- Umm al-barāhīn fī ʻilm al-kalām (Sanūsī, Muḥammad ibn Yūsuf)1
- Ummah (Islam)1
- United States1
- Universals (Philosophy)1