Author
- Tunakabuni1
- Turmeda, Anselm, 1352-1432?1
- Tāj al-Millah wa-al-Dīn Kāshānī1
- Uguccioni family1
- Ujjvaladatta1
- Ulugh Beg1
- Urban VIII1
- Urbanus Rhegius1
- Ustuvani Mehmet Efendi1
- Uthman bin Ali Zayla'i1
- Valentin Boltz1
- Vallabhadeva1
- Vardarî Mahmut1
- Vicentius Demetrius Volcius1
- Vicko Dimitrije Volčić1
- Vijñāneśvara1
- Vincent of Beauvais1
- Vincenzo Fedeli1
- Visconte Maggiolo1
- Walter Hilton1