| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Dionisio Petra | |
| Bishop of Capri | |
| Church: | Catholic Church |
| Diocese: | Diocese of Capri |
| Predecessor: | Paolo Pellegrini |
| Successor: | Michele Gallo Vandeinde |
| Birth Date: | 1630 |
| Death Date: | June 1698 (age 68) |
| Death Place: | Capri, Italy |
Dionisio Petra, O.S.B. (1630 – June 1698) was a Roman Catholic prelate who served as Bishop of Capri (1683–1698).[1]
Dionisio Petra was born in Vasto Girardi, Italy in 1630 and ordained a priest in the Order of Saint Benedict.[2] On 12 July 1683, he was appointed during the papacy of Pope Innocent XI as Bishop of Capri.He served as Bishop of Capri until his death in June 1698.