Name
- Suárez, Gómez, 3rd Duke of Feria, Spanish nobleman, 1587-16341
- Sylos, Francesco, Knight of St John of Jerusalem1
- Todeschi, Guglielmo1
- Toledo Osorio, Pedro Alvarez, Marqués de Villafranca, Governor of Milan 1616-16181
- Tolomei, Claudio1
- Tomansi, Leopoldo1
- Tornaquinci, Raffaello, Knight of St John of Jerusalem1
- Torres, Cosimo, Cardinal1
- Tozzi, Cesare di Antonio, of Castellina; land agent1
- Tserclaes, Johann, Count of Tilly1
- Téllez y Girón, Pedro, Duke of Osuna, Governor of Naples1
- Ubaldini, Roberto, Bishop of Montepulciano, Cardinal 16151
- Ubaldini, Roberto, Cardinal1
- Ubertini, Luca Antonio, Provveditore delle Farine in Tuscany1
- Ulivi, Giulia, nun in the convent of Montedomini1
- Ulivi, Ulivo di Michele, banderaio, of Florence1
- Ulivi, Ulivo, formerly Salvucci (Alessandro)1
- Vecchi, Bartolommeo de', in Siena1
- Vecchietti, Balì Bernardo, Knight of St John of Jerusalem1
- Velasco y Arce, Francesco1