| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Marcello Pignatelli | |
| Bishop of Jesi | |
| Church: | Catholic Church |
| Diocese: | Diocese of Iesi |
| Term: | 1617–1621 |
| Predecessor: | Pirro Imperoli |
| Successor: | Tiberio Cenci |
| Consecration: | 26 November 1617 |
| Consecrated By: | Ladislao d'Aquino |
| Birth Date: | 1567 |
| Birth Place: | Rome, Italy |
| Death Date: | 1621 (age 54) |
| Death Place: | Jesi, Italy |
| Nationality: | Italian |
Marcello Pignatelli, C.R. (1567–1621) was a Roman Catholic prelate who served as Bishop of Jesi (1617–1621).[1]
Marcello Pignatelli was born in Rome, Italy in 1567 and ordained a priest in the Congregation of Clerics Regular of the Divine Providence.[2] On 13 November 1617, he was appointed during the papacy of Pope Paul V as Bishop of Jesi. On 26 November 1617, he was consecrated bishop by Ladislao d'Aquino, Bishop of Venafro, with Antonio d'Aquino, Bishop of Sarno, and Innico Siscara, Bishop of Anglona-Tursi, serving as co-consecrators. He served as Bishop of Jesi until his death in 1621.