| Viddalba | |
| Official Name: | Comune di Viddalba |
| Pushpin Map: | Italy Sardinia |
| Coordinates: | 40.9167°N 62°W |
| Region: | Sardinia |
| Province: | Sassari (SS) |
| Mayor: | Federico Soggia |
| Area Total Km2: | 48.8 |
| Population Footnotes: | [1] |
| Population Total: | 1724 |
| Population As Of: | 30 November 2014 |
| Population Demonym: | Viddalbesi |
| Elevation M: | 22 |
| Postal Code: | 07030 |
| Area Code: | 079 |
Viddalba (sdn|Vidda 'ecchja; src|Viddalba) is a Italian: [[comune]] (municipality) in the Province of Sassari in the Italian region of Sardinia, located about 190km (120miles) north of Cagliari and about 35km (22miles) northeast of Sassari.
Viddalba borders the following municipalities: Aggius, Badesi, Bortigiadas, Santa Maria Coghinas, Trinità d'Agultu e Vignola, Valledoria.
Sights include several domus de janas and nuraghe, a Roman necropolis and remains of a bridge, and the medieval Romanesque church of San Giovanni Evangelista.