Author
- Tengoccio d'Enea de Piccolomini1
- Terence12
- Teymur Mirza Qajar1
- Tha'ālibī7
- Thaʻlabī al-Hawwārī, ʻAbd al-Raḥmān1
- Theobaldus Episcopus1
- Theodore of Mopsuestia1
- Theodoret1
- Theodosius of Bithynia3
- Theophanes of Nicaea1
- Theophrastus1
- Thiebaus de Maliers1
- Thomas Achelley1
- Thomas Aquinas31
- Thomas Blount1
- Thomas Brooke1
- Thomas Heneage1
- Thomas Hoccleve5
- Thomas Howard, 4th Duke of Norfolk1
- Thomas Malyus1