- Twentieth century7
- Ugo, Giacoma di1
- Ugo, Piero di1
- Ugolino, Lodovico di1
- Uguccioni, Benedetto1
- Ukraine1
- Ukraine--Kam'i︠a︡net︠s︡ʹ-Podilʹsʹkyĭ2
- Ukraine--Manhup-Kale (Extinct city)1
- Ulivieri, Petronio1
- Umm al-barāhīn fī ʻilm al-kalām (Sanūsī, Muḥammad ibn Yūsuf)1
- Underscoring1
- Universidad de México1
- Universidad de Salamanca1
- Universities and colleges--Faculty2
- Universität Wittenberg1
- Urine--Analysis1
- Urjūzah fī al-ṭibb (Avicenna)1
- Urmawī, Sirāj al-Dīn Maḥmūd ibn Abī Bakr, 1198-1283. Maṭāliʻ al-anwār1
- Urraca, Infanta de Zamora, 1033?-11011
- Usury1