Taddeo

Taddeo is a masculine given name which may refer to:


 * Taddeo Alderotti (between 1206 and 1215–1295), Italian doctor and professor of medicine
 * Taddeo Altini O.S.A. (1609–1685), Roman Catholic Bishop of Civita Castellana e Orte, and Titular Bishop of Porphyreon
 * Taddeo Barberini (1603–1647), Italian nobleman, Prince of Palestrina, nephew of Pope Urban VIII, Gonfalonier of the Church and commander of the Papal Army
 * Taddeo Carlone (died 1613), Swiss-Italian sculptor and architect
 * Taddeo Crivelli (fl. 1451, died by 1479), also known as Taddeo da Ferrara, painter of illuminated manuscripts
 * Taddeo d'Este (c. 1390–1448), condottiere (mercenary leader) almost exclusively in the service of the Republic of Venice
 * Taddeo da Suessa (1190/1200–1248), Italian jurist
 * Taddeo di Bartolo, Sienese painter active up to 1422
 * Taddeo Gaddi (c. 1300–1366), Italian painter
 * Taddeo Gaddi (cardinal) (1520–1561), Italian Roman Catholic cardinal and bishop
 * Taddeo Kuntze, Taddeo Polacco and Tadeusz Kuntze, pseudonyms of the Silesian painter Tadeusz Konicz (1733–1793)
 * Taddeo Landini (c. 1561–1596), Italian sculptor and architect
 * Taddeo Luigi dal Verme (1641–1717), Roman Catholic cardinal
 * Taddeo Lwanga (born 1994), Ugandan footballer
 * Taddeo Manfredi (1431–c. 1486), Lord of Imola from 1448 until 1473 and a condottiere (mercenary leader)
 * Taddeo Orlando (1885–1950), Italian general
 * Taddeo Pepoli (died 1549), Roman Catholic Bishop of Carinola, and of Cariati e Cerenzia
 * Taddeo Sarti (1540–1617), Roman Catholic Bishop of Nepi e Sutri
 * Taddeo da Suessa or da Sessa (c. 1190/1200–1248), Italian jurist
 * Taddeo Zuccari or Zuccaro (1529–1566), Italian painter