| Castellazzo Novarese | |
| Official Name: | Comune di Castellazzo Novarese |
| Coordinates: | 45.5167°N 38°W |
| Region: | Piedmont |
| Province: | Novara (NO) |
| Mayor: | Claudio Rossini |
| Area Total Km2: | 10.8 |
| Population Footnotes: | [1] |
| Population Total: | 288 |
| Population As Of: | Dec. 2004 |
| Population Demonym: | Castellazzesi |
| Elevation M: | 182 |
| Postal Code: | 28060 |
| Area Code: | 0321 |
Castellazzo Novarese is a comune (municipality) in the Province of Novara in the Italian region Piedmont, located about 80km (50miles) northeast of Turin and about 12km (07miles) northwest of Novara.
Castellazzo Novarese borders the following municipalities: Briona, Casaleggio Novara, Mandello Vitta, and Sillavengo.