| Honorific-Prefix: | Most Reverend |
| Rodrigo Díaz | |
| Bishop of Oviedo | |
| Church: | Catholic Church |
| Term: | 1240–1249 |
| Consecrated By: | Juan Domínguez de Medina |
| Death Date: | 31 August 1249 |
Rodrigo Díaz (died 31 August 1249) was a Roman Catholic prelate who served as Bishop of Oviedo (1243–1249).[1]
On 17 September 1243, Rodrigo Díaz was appointed by Pope Innocent IV as Bishop of Oviedo. He was consecrated by Juan Domínguez de Medina, Bishop of Burgos. He served as Bishop of Oviedo until his death on 31 August 1249.