| Type: | Cardinal |
| Honorific-Prefix: | His Eminence |
| Erminio Valenti | |
| Cardinal-Priest of Santa Maria in Traspontina Bishop of Faenza | |
| Church: | Catholic Church |
| Consecration: | 18 Sep 1605 |
| Consecrated By: | Pietro Aldobrandini |
| Birth Date: | 1564 |
| Birth Place: | Trevi, Italy |
| Death Date: | 22 Aug 1618 (age 54) |
Erminio Valenti (1564 – 22 August 1618) was a Roman Catholic cardinal.
On 18 Sep 1605, he was consecrated bishop by Pietro Aldobrandini, Archbishop of Ravenna, with Ludovico de Torres, Archbishop of Monreale, and Laudivio Zacchia, Bishop of Corneto e Montefiascone, serving as co-consecrators. He also served 1604-1618 as bishop of Faenza.[1]