| Calvizzano | |
| Coordinates: | 40.9°N 25°W |
| Region: | Campania |
| Metropolitan City: | Naples (NA) |
| Frazioni: | San Pietro |
| Area Total Km2: | 3.9 |
| Population Footnotes: | [1] |
| Population Total: | 12504 |
| Population As Of: | 31 January 2015 |
| Population Demonym: | Calvizzanesi |
| Elevation M: | 135 |
| Postal Code: | 80012 |
| Area Code: | 081 |
Calvizzano is a comune (municipality) in the Metropolitan City of Naples in the Italian region Campania, located about 9 km northwest of Naples.
Calvizzano borders the following municipalities: Marano di Napoli, Mugnano di Napoli, Qualiano, Villaricca.