Name
- Teixeira, Joao, Cosmographer to Joao I V1
- Thaddæus Neapolitanus1
- Thecla, Saint1
- Theodoli, Theodolo, Marchese di Santo Vito1
- Tortosa, Abraham, Judaus1
- Trevisani, Family1
- Trithemius, Johannes, German abbot and polymath, 1462-15161
- Tubières de Grimoard, Anne Claude Philippe, Comte de Caylus1
- Tuffanini, Giacomo1
- Turkey, Sultans of. Amurath II1
- Turkey, Sultans of. Mahomet IV1
- Ubaldini, Roberto, Prior of S Maria del Saxo1
- Urban IV, Pope1
- Urban VIII, Pope1
- Urbe, Laurentius, dictus Ruzius, familiaris Card. Ursini1
- Vineis, Petrus1
- Vio Caietano, Thomaso di, Cardinal, General of the Dominicans1
- Visconti di Carmagnola, Bartolomeo1
- Vitriaco, Jacobus, Cardinal, Patriarch of Jerusalem1
- Zacharias, Bishop of Chrysopolis in Macedonia1