| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Gabriel de Guilléstegui | |
| Bishop of La Paz | |
| Church: | Catholic Church |
| Diocese: | Diocese of La Paz |
| Term: | 1670–1677 |
| Predecessor: | Martín de Montalvo Calderon de la Barca |
| Successor: | Juan Pérez de Corcha |
| Consecration: | 1667 |
| Consecrated By: | Bernardo de Izaguirre de los Reyes |
| Birth Date: | 1594 |
| Birth Place: | Toledo, Spain |
| Death Date: | 1677 |
| Previous Post: | Bishop of Paraguay (1666–1670) |
Gabriel de Guilléstegui, O.F.M. (1594–1677) was a Roman Catholic prelate who served as Bishop of La Paz (1670–1677)[1] and Bishop of Paraguay (1666–1670).[2]
Gabriel de Guilléstegui was born in Toledo, Spain in 1594 and ordained a priest in the Order of Friars Minor.[3] [4] On 15 December 1666, he was appointed during the papacy of Pope Alexander VII as Bishop of Paraguay.In 1667, he was consecrated bishop by Bernardo de Izaguirre de los Reyes, Bishop of Cuzco. On 1 September 1670, he was appointed during the papacy of Pope Clement X as Bishop of La Paz.He served as Bishop of La Paz' until his death in 1677.
While bishop, he was the principal consecrator of Francisco de Borja, Bishop of Córdoba (1671).