| Type: | Bishop |
| Honorific-Prefix: | His Grace |
| António de Mendonça | |
| Archbishop of Lisbon | |
| Church: | Roman Catholic Church |
| Archdiocese: | Lisbon |
| See: | Cathedral of St. Mary Major |
| Term Start: | 15 December 1670 |
| Term End: | 16 February 1675 |
| Predecessor: | Rodrigo da Cunha |
| Successor: | Luís de Sousa |
| Birth Date: | 1600 |
| Birth Place: | Lamego, Portugal |
| Death Place: | Lisbon, Portugal |
| Nationality: | Portuguese |
D. António de Mendonça (1600 – 13 February 1675) was Archbishop of Lisbon between 1670 and his death. He was the son of Nuno de Mendonça, 1st Count of Vale de Reis[1] and was one of the main exponents in the fight against the excesses practiced by the Portuguese Inquisition.[2]