| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Pietro Vecchia | |
| Bishop of Molfetta | |
| Church: | Catholic Church |
| Diocese: | Diocese of Molfetta |
| Term: | 1691–1695 |
| Predecessor: | Carlo Loffredo |
| Successor: | Domenico Belisario de Bellis |
| Consecration: | 6 March 1690 |
| Consecrated By: | Pietro Francesco Orsini de Gravina |
| Birth Date: | 8 January 1628 |
| Birth Place: | Venice, Italy |
| Death Date: | July 1695 (age 67) |
| Death Place: | Molfetta, Italy |
| Previous Post: | Bishop of Andria (1690–1691) |
| Nationality: | Italian |
Pietro Vecchia, O.S.B. (8 January 1628 – July 1695) was a Roman Catholic prelate who served as Bishop of Molfetta (1691–1695) and Bishop of Andria (1690–1691).[1]
Pietro Vecchia was born in Venice, Italy on 8 January 1628 and ordained a priest in the Order of Saint Benedict.[2] [3] On 6 March 1690, he was appointed during the papacy of Pope Alexander VIII as Bishop of Andria. On 6 March 1690, he was consecrated bishop by Pietro Francesco Orsini de Gravina, Archbishop of Benevento, with Giuseppe Bologna, Archbishop Emeritus of Benevento, and Gregorio Giuseppe Gaetani de Aragonia, Titular Archbishop of Neocaesarea in Ponto, serving as co-consecrators. On 19 December 1691, he was appointed during the papacy of Pope Innocent XII as Bishop of Molfetta. He served as Bishop of Molfetta until his death in July 1695.
While bishop, Vecchia was the principal co-consecrator of: