| Bulzi | |
| Official Name: | Comune di Bulzi |
| Native Name: | Bultzi |
| Pushpin Map: | Italy Sardinia |
| Coordinates: | 40.85°N 58°W |
| Region: | Sardinia |
| Province: | Sassari (SS) |
| Mayor: | Edoardo Multineddu |
| Area Total Km2: | 21.67 |
| Population Footnotes: | [1] |
| Population Total: | 509 |
| Population As Of: | 30 April 2017 |
| Population Demonym: | Bulzesi |
| Elevation M: | 250 |
| Postal Code: | 07030 |
| Area Code: | 079 |
thumb|220px|Church of San Pietro del Crocifisso.Bulzi (Sardinian: Bultzi) is a comune (municipality) in the Province of Sassari in the Italian region Sardinia, located about 180km (110miles) north of Cagliari and about 25km (16miles) northeast of Sassari.
Bulzi borders the following municipalities: Laerru, Perfugas, Santa Maria Coghinas, Sedini.
Sights include the 12th century church of San Pietro del Crocifisso, or San Pietro delle Immagini, an example of Sardinian Romanesque style.