| Cossoine | |
| Official Name: | Comune di Cossoine |
| Pushpin Map: | Italy Sardinia |
| Coordinates: | 40.4333°N 51°W |
| Region: | Sardinia |
| Province: | Sassari (SS) |
| Mayor: | Sabrina Sassu |
| Area Total Km2: | 38.17 |
| Population Footnotes: | [1] |
| Population Total: | 847 |
| Population As Of: | 31 December 2017 |
| Population Demonym: | Cossoinesi |
| Elevation M: | 529 |
| Postal Code: | 07010 |
| Area Code: | 079 |
Cossoine is a comune (municipality) in the Province of Sassari in the Italian region Sardinia, located about 140km (90miles) north of Cagliari and about 35km (22miles) southeast of Sassari.
Cossoine borders the following municipalities: Bonorva, Cheremule, Giave, Mara, Padria, Pozzomaggiore, Romana, Semestene, Thiesi. Sights include the churches of Santa Maria Iscalas, an example of Byzantine architecture (6th-11th centuries), and Santa Chiara, in Romanesque-Gothic-Aragonese style (16th century).