| Honorific-Prefix: | Most Reverend |
| Diego Vargas | |
| Bishop of Potenza | |
| Church: | Catholic Church |
| Diocese: | Diocese of Potenza |
| Term: | 1626–1633 |
| Predecessor: | Achille Caracciolo |
| Successor: | Girolamo Magnesi |
| Death Date: | October 1633 |
| Death Place: | Potenza, Italy |
Diego Vargas (died October 1633) was a Roman Catholic prelate who served as Bishop of Potenza (1626–-1633).[1]
On 20 July 1626, Diego Vargas was appointed by Pope Urban VIII as Bishop of Potenza. He served as Bishop of Potenza until his death in October 1633.