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 Wikipedia