Taddeo
Taddeo is a masculine given name which may refer to:
- Taddeo Alderotti, Italian doctor and professor of medicine
- Taddeo Altini O.S.A., Roman Catholic Bishop of Civita Castellana e Orte, and Titular Bishop of Porphyreon
- Taddeo Barberini, Italian nobleman, Prince of Palestrina, nephew of Pope Urban VIII, Gonfalonier of the Church and commander of the Papal Army
- Taddeo Carlone, Swiss-Italian sculptor and architect
- Taddeo Crivelli, also known as Taddeo da Ferrara, painter of illuminated manuscripts
- Taddeo d'Este, condottiere almost exclusively in the service of the Republic of Venice
- Taddeo da Suessa, Italian jurist
- Taddeo di Bartolo, Sienese painter active up to 1422
- Taddeo Gaddi, Italian painter
- Taddeo Gaddi , Italian Roman Catholic cardinal and bishop
- Taddeo Kuntze, Taddeo Polacco and Tadeusz Kuntze, pseudonyms of the Silesian painter Tadeusz Konicz
- Taddeo Landini, Italian sculptor and architect
- Taddeo Luigi dal Verme, Roman Catholic cardinal
- Taddeo Lwanga, Ugandan footballer
- Taddeo Manfredi, Lord of Imola from 1448 until 1473 and a condottiere
- Taddeo Pepoli, Roman Catholic Bishop of Carinola, and of Cariati e Cerenzia
- Taddeo Sarti, Roman Catholic Bishop of Nepi e Sutri
- Taddeo da Suessa or da Sessa, Italian jurist
- Taddeo Zuccari or Zuccaro, Italian painter