| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Diego Merino | |
| Bishop of Isernia | |
| Church: | Catholic Church |
| Diocese: | Diocese of Isernia |
| Term: | 1626–1637 |
| Predecessor: | Gian Gerolamo Campanili |
| Successor: | Domenico Giordani |
| Consecration: | 26 November 1623 |
| Consecrated By: | Giovanni Garzia Mellini |
| Birth Date: | 1570 |
| Birth Place: | Baeza, Spain |
| Death Date: | 1 January 1637 (age 67) |
| Death Place: | Isernia, Italy |
| Previous Post: | Bishop of Montepeloso (1623–1626) |
Diego Merino, O. Carm. (1570 – 1 January 1637) was a Catholic prelate who served as Bishop of Isernia (1626–1637)[1] and Bishop of Montepeloso (1623–1626).[2] [3]
Diego Merino was born in Baeza, Spain in 1570 and ordained a priest in the Order of the Brothers of the Blessed Virgin Mary of Mount Carmel.On 20 November 1623, he was appointed during the papacy of Pope Paul V as Bishop of Montepeloso.On 26 November 1623, he was consecrated bishop by Giovanni Garzia Mellini, Cardinal-Priest of Santi Quattro Coronati with Alessandro Bosco, Bishop of Gerace, and Tommaso Ximenes, Bishop of Fiesole, serving as co-consecrators. On 24 August 1626, he was appointed during the papacy of Pope Urban VIII as Bishop of Isernia.He served as Bishop of Isernia until his death on 1 January 1637. While bishop, he was the principal co-consecrator of Giulio Cesare Sacchetti, Bishop of Gravina di Puglia (1623).