| Honorific-Prefix: | Most Reverend |
| Placido della Marra | |
| Bishop of Melfi e Rapolla | |
| Church: | Catholic Church |
| Diocese: | Diocese of Melfi e Rapoll |
| Term: | 1595–1620 |
| Predecessor: | Matteo Brumani |
| Successor: | Desiderio Scaglia |
| Consecration: | 2 April 1595 |
| Consecrated By: | Giulio Antonio Santorio |
| Birth Date: | 1560 |
| Death Date: | 2 December 1620 (age 60) |
| Previous Post: | Apostolic Nuncio to the Emperor (1612–1616) |
Placido della Marra (1560 - 2 December 1620) was a Roman Catholic prelate who served as Bishop of Melfi e Rapolla (1595–1620) and Apostolic Nuncio to the Emperor (1612–1616).[1]
Placido della Marra was born in Naples, Italy in 1560. On 6 March 1595, he was appointed during the papacy of Pope Clement VIII as Bishop of Melfi e Rapolla. On 2 April 1595, he was consecrated bishop by Giulio Antonio Santorio, Cardinal-Priest of Santa Maria in Trastevere, with Flaminio Filonardi, Bishop of Aquino, and Leonard Abel, Titular Bishop of Sidon serving as co-consecrators.
On 21 July 1612, he was appointed during the papacy of Pope Paul V as Apostolic Nuncio to the Emperor where he served until his resignation on 25 August 1616.
He served as Bishop of Melfi e Rapolla until his death on 2 December 1620. While bishop, he was the principal consecrator of Melchior Klesl, Bishop of Wien, and the principal co-consecrator of Bartolomeo Cesi (cardinal), Archbishop of Conza.