- Typology (Theology)1
- Ugo, Giacoma di1
- Ugo, Piero di1
- Ugolino, Lodovico di1
- Ukraine1
- Ukraine--Lokachi1
- Ukraine--Lut︠s︡ʹk1
- Ulivieri, Petronio1
- Ulric, Saint, Bishop of Augsburg, 890-9731
- Umidis, Jacomo di Pietro de1
- Underscoring1
- Universität Wien. Kollegium St. Nikolaus1
- Université de Paris. Collège de Boncourt1
- Urine--Analysis1
- Uther Pendragon (Legendary character)1
- Utopias1
- Uzzano, Alessandro da1
- Uzzano, Giovanni da, active 15th century1
- Vanne, Benedetto di1
- Vannello, Giovanni di1