- Upanishads. Kālāgnirudropaniṣad1
- Upanishads. Māṇḍūkyopaniṣad1
- Urban VII, Pope, 1521-15901
- Urban geography1
- Urdu language1
- Urdu language--Grammar1
- Urdu literature1
- Urmawī, Sirāj al-Dīn Maḥmūd ibn Abī Bakr, 1198-12831
- Urology1
- Urraca, Infanta de Zamora, 1033?-11011
- Ushnuhī, ʻAbd al-ʻAzīz ibn ʻAlī, 12th cent. Kifāyah fī al-farāʼiḍ1
- Utaawase1
- Uther Pendragon (Legendary character)1
- Utraquists1
- Uzbakī, Muḥammad Murād, -1729. Silsilat al-dhahab1
- Uzbekistan--Bukhoro1
- Uzzano, Alessandro da1
- Uzzano, Giovanni da, active 15th century1
- Uṇādisūtra1
- Vaishnava temples1