| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Diego Deza Tello | |
| Bishop of Jaén | |
| Church: | Catholic Church |
| Diocese: | Diocese of Jaén |
| Term: | 1577–1579 |
| Predecessor: | Francisco Delgado López |
| Successor: | Francisco Sarmiento Mendoza |
| Birth Place: | Seville, Spain |
| Death Date: | 13 September 1579 |
| Death Place: | Seville, Spain |
| Previous Post: | Bishop of Islas Canarias (1554–1566) Bishop of Coria (1566–1577) |
Diego Deza Tello (died 1579) was a Roman Catholic prelate who served as Bishop of Jaén (1577–1579),[1] Bishop of Coria (1566–1577),[2] and Bishop of Islas Canarias (1554–1566).[3]
Diego Deza Tello was born in Seville, Spain.[4] [5] On 30 April 1554, he was appointed during the papacy of Pope Julius III as Bishop of Islas Canarias.On 26 April 1566, he was appointed during the papacy of Pope Pius V as Bishop of Coria.On 11 September 1577, he was appointed during the papacy of Pope Gregory XIII as Bishop of Jaén.He served as Bishop of Jaén until his death on 13 September 1579 in Seville, Spain.