| Type: | parish |
| Official Name: | Sendim e Atenor |
| Region: | Norte |
| Cim: | Terras de Trás-os-Montes |
| District: | Bragança |
| Municipality: | Miranda do Douro |
| Coordinates: | 41.387°N -6.427°W |
| Area Total: | 58.93 |
| Population As Of: | 2011 |
| Population Total: | 1487 |
Sendim e Atenor (mirandese: Sendin i Atanor) is a civil parish in the municipality of Miranda do Douro, Portugal. It was formed in 2013 by the merger of the former parishes Sendim and Atenor.[1] The population in 2011 was 1,487,[2] in an area of 58.93 km2.[3] Sendim is in the area where the rare Mirandese language, related to Leonese, is spoken and co-official with Portuguese.