| Type: | parish |
| Official Name: | Donai |
| Region: | Norte |
| Cim: | Terras de Trás-os-Montes |
| District: | Bragança |
| Municipality: | Bragança |
| Coordinates: | 41.833°N -6.806°W |
| Area Total: | 15.07 |
| Population As Of: | 2011 |
| Population Total: | 446 |
Donai is a civil parish in the municipality of Bragança, Portugal. The population in 2011 was 446,[1] in an area of 15.07 km².[2]