| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Taddeo Sarti | |
| Bishop of Nepi e Sutri | |
| Church: | Catholic Church |
| Term: | 1604–1616 |
| Predecessor: | Orazio Moroni |
| Successor: | Dionisio Martini |
| Consecration: | 7 June 1604 |
| Consecrated By: | Camillo Borghese |
| Birth Date: | 1540 |
| Birth Place: | Bologna, Italy |
| Death Date: | 24 November 1617 (age 77) |
Taddeo Sarti (1540 - 24 November 1617) was a Roman Catholic prelate who served as Bishop of Nepi e Sutri (1604–1616).
Taddeo Sarti was born in Bologna, Italy, in 1540. On 31 May 1604, he was appointed during the papacy of Pope Clement VIII as Bishop of Nepi e Sutri. On 7 June 1604, he was consecrated bishop by Camillo Borghese, Cardinal-Priest of San Crisogono, with Agostino Quinzio, Bishop of Korčula, and Leonard Abel, Titular Bishop of Sidon, serving as co-consecrators. He served as Bishop of Nepi e Sutri until his resignation in 1616. He died on 24 November 1617.