| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Faustino Casas Hernández | |
| Bishop of Paraguay | |
| Church: | Catholic Church |
| Diocese: | Diocese of Asunción |
| Term: | 1674–1686 |
| Predecessor: | Ferdinandus de Valcácer |
| Successor: | Sebastián de Pastrana |
| Consecration: | 1675 |
| Birth Date: | 1604 |
| Birth Place: | Casarrubuelos, Spain |
| Death Date: | 2 August 1686 (age 82) |
Faustino Casas Hernández, O. de M. (1604–1686) was a Roman Catholic prelate who served as Bishop of Paraguay (1674–1686).[1]
Faustino Casas Hernández was born in Casarrubuelos, Spain in 1604 and ordained a priest in the Order of the Blessed Virgin Mary of Mercy.[2] On 7 December 1674, he was appointed during the papacy of Pope Clement X as Bishop of Paraguay.In 1675, he was consecrated bishop. He served as Bishop of Paraguay until his death on 2 August 1686.