- Urdu language1
- Urology1
- Urraca, Infanta de Zamora, 1033?-11011
- Ushnuhī, ʻAbd al-ʻAzīz ibn ʻAlī, 12th cent. Kifāyah fī al-farāʼiḍ1
- Uther Pendragon (Legendary character)1
- Utopias1
- Utraquists1
- Valla, Lorenzo, 1407-14571
- Valle, Moses David ben Samuel, 1696-17771
- Vefa, Şeyh, d. 1490. Ruzname-yi Şeyh Vefa1
- Veins1
- Ventilation1
- Verse satire, Latin1
- Veterinary medicine--Manuscripts1
- Vettori, Jacopo1
- Vincenzo I Gonzaga, Duke of Mantua, 1562-16121
- Virgil1
- Vishnu (Hindu deity)1
- Visions1
- Visitation of the Blessed Virgin Mary1