| Honorific-Prefix: | Most Reverend |
| Clemente Ascanio Sandri-Trotti | |
| Bishop of Fossano | |
| Church: | Catholic Church |
| Diocese: | Diocese of Fossano |
| Term: | 1658–1675 |
| Predecessor: | Nicola Dalmazzo |
| Successor: | Ottaviano della Rovere |
| Consecration: | Antonio Barberini |
| Consecrated By: | 28 July 1658 |
| Death Date: | 20 April 1675 |
| Death Place: | Fossano, Italy |
Clemente Ascanio Sandri-Trotti (died 20 April 1675) was a Roman Catholic prelate who served as Bishop of Fossano (1658–1675).[1]
On 8 July 1658, Clemente Ascanio Sandri-Trotti was appointed during the papacy of Pope Alexander VII as Bishop of Fossano.[2] On 28 July 1658, he was consecrated bishop by Antonio Barberini, Archbishop of Reims, with Giovanni Battista Scanaroli, Titular Bishop of Sidon, and Lorenzo Gavotti, Bishop Emeritus of Ventimiglia, serving as co-consecrators. He served as Bishop of Fossano until his death on 20 April 1675.