| Type: | Bishop |
| Honorific-Prefix: | The Most Reverend |
| Cornelio Firmano | |
| Bishop of Osimo | |
| Church: | Catholic Church |
| Diocese: | Diocese of Osimo |
| Term: | 1574–1588 |
| Predecessor: | Bernardino de Cupis (bishop) |
| Successor: | Antonio Maria Gallo |
| Consecration: | 21 Feb 1574 |
| Consecrated By: | Scipione Rebiba |
| Death Date: | 5 Jul 1588 |
| Death Place: | Osimo, Italy |
Cornelio Firmano (died 5 Jul 1588) was a Roman Catholic prelate who served as Bishop of Osimo (1574–1588).[1] [2] [3] [4]
On 9 Jan 1574, Cornelio Firmano was appointed during the papacy of Pope Gregory XIII as Bishop of Osimo. On 21 Feb 1574, he was consecrated bishop by Scipione Rebiba, Cardinal-Bishop of Albano. He served as Bishop of Osimo until his death on 5 Jul 1588. While bishop, he was the principal co-consecrator of Filippo Sega, Bishop of Ripatransone (1575); and Niccolò Aragonio (Aragona), Bishop of Ripatransone (1578)