| Honorific-Prefix: | Most Reverend |
| Melchior de Escuda Aybar | |
| Titular Bishop of Utica Auxiliary Bishop of Seville | |
| Church: | Catholic Church |
| Archdiocese: | Archdiocese of Seville |
| Term: | 1671–1679 |
| Consecration: | 1671 |
| Consecrated By: | Ambrosio Ignacio Spínola y Guzmán |
| Birth Date: | 1631 |
| Birth Place: | Seville, Spain |
| Death Date: | 26 March 1679 (age 48) |
| Death Place: | Seville, Spain |
| Nationality: | Spanish |
Melchior de Escuda Aybar (1631 – 26 March 1679) was a Roman Catholic prelate who served as Auxiliary Bishop of Seville (1671–1679).[1]
Melchior de Escuda Aybar was born in Seville, Spain. On 24 August 1671, he was appointed during the papacy of Pope Clement X as Auxiliary Bishop of Seville and Titular Bishop of Utica. In 1671, he was consecrated bishop by Ambrosio Ignacio Spínola y Guzmán, Archbishop of Seville, with Alfonso Vázquez de Toledo, Bishop of Cádiz, and James Lynch, Archbishop of Tuam, serving as co-consecrators. He served as Auxiliary Bishop of Seville until his death on 26 March 1679.
While bishop, he was the principal co-consecrator of Alonso Antonio de San Martín, Bishop of Oviedo (1676).