| Serravalle Sesia | |
| Official Name: | Comune di Serravalle Sesia |
| Coordinates: | 45.6833°N 27°W |
| Region: | Piedmont |
| Province: | Vercelli (VC) |
| Mayor Party: | Lega Nord |
| Mayor: | Massimo Basso |
| Area Total Km2: | 20.4 |
| Population Total: | 5124 |
| Population As Of: | 31 December 2004[1] |
| Population Demonym: | Serravallesi |
| Postal Code: | 13037 |
| Area Code: | 0163 |
Serravalle Sesia is a comune (municipality) in the Province of Vercelli in the Italian region Piedmont, located about 80km (50miles) northeast of Turin and about 40km (30miles) north of Vercelli.
The current comune was created in 1927 from the towns of Serravalle, Bornate, Piane Sesia and Vintebbio.