Author
- Taddeo Alderotti1
- Tartaleoni family1
- Tengoccio d'Enea de Piccolomini1
- Theobaldus Episcopus1
- Theodore of Mopsuestia1
- Theophrastus1
- Thomas Achelley1
- Thomas Brooke1
- Thomas Heneage1
- Thomas Rogers1
- Thomas Waleys1
- Thomas de Hibernia1
- Thomas of Celano1
- Thomas of Chobham1
- Thomas of Ireland1
- Tiberius Claudius Donatus1
- Tito Livio Frulovisi1
- Tristano Caracciolo1
- Umbertus Decembrius1
- Urban V1