| San Nazario | |
| Official Name: | Comune di San Nazario |
| Coordinates: | 45.8333°N 52°W |
| Region: | Veneto |
| Province: | Vicenza (VI) |
| Frazioni: | Carpanè, Merlo, San Marino |
| Mayor: | Ermando Bombieri |
| Area Total Km2: | 23 |
| Population Total: | 1705 |
| Population As Of: | 31 December 2014 |
| Elevation M: | 160 |
| Postal Code: | 36020 |
| Area Code: | 0424 |
San Nazario is a town and comune in the province of Vicenza, Veneto, north-eastern Italy.