| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Pietro Jerónimo Martínez y Rubio | |
| Archbishop of Palermo | |
| Church: | Catholic Church |
| Archdiocese: | Archdiocese of Palermo |
| Term: | 1656–1667 |
| Predecessor: | Martín de León Cárdenas |
| Successor: | Juan Lozano |
| Consecration: | 2 April 1657 |
| Consecrated By: | Francesco Barberini |
| Death Date: | 22 November 1667 |
| Death Place: | Palermo, Italy |
Pietro Jerónimo Martínez y Rubio or simply Pietro Martinez y Rubio (died 22 November 1667) was a Roman Catholic prelate who served as Archbishop of Palermo (1656–1667).[1]
On 22 September 1656, Pietro Jerónimo Martínez y Rubio was selected as Archbishop of Palermo and confirmed by Pope Alexander VII on 15 January 1657.[2] On 2 April 1657, he was consecrated bishop by Francesco Barberini, Cardinal-Bishop of Porto e Santa Rufina, with Francesco Gonzaga, Bishop of Cariati e Cerenzia, and Patrizio Donati, Bishop Emeritus of Minori serving as co-consecrators. He served as Archbishop of Palermo until his death on 22 November 1667.
While bishop, he was the principal consecrator of Francesco Arata, Bishop of Lipari (1663).