| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Barnaba Mersoni | |
| Bishop of Terni | |
| Church: | Catholic Church |
| Diocese: | Diocese of Terni |
| Term: | 1475–1481 |
| Predecessor: | Tommaso Vincenzi |
| Successor: | Giovanni Romano |
| Death Date: | 1481 |
| Previous Post: | Bishop of Pesaro (1471–1475) |
Barnaba Mersoni (died 1481) was a Roman Catholic prelate who served as Bishop of Terni (1475–1481)[1] and Bishop of Pesaro (1471–1475).[2]
On 28 March 1471, Barnaba Mersoni was appointed during the papacy of Pope Paul II as Bishop of Pesaro.[3] [4] On 29 May 1475, he was appointed during the papacy of Pope Sixtus IV as Bishop of Terni.He served as Bishop of Terni until his death in 1481.