| San Pietro Mosezzo | |
| Official Name: | Comune di San Pietro Mosezzo |
| Coordinates: | 45.45°N 41°W |
| Region: | Piedmont |
| Province: | Novara (NO) |
| Frazioni: | Cesto, Mosezzo, Nibbia, San Pietro |
| Mayor: | Tommaso Difonzo |
| Area Total Km2: | 34.83 |
| Population Footnotes: | [1] |
| Population Total: | 1992 |
| Population As Of: | 31 December 2010 |
| Population Demonym: | Sanpietrini |
| Elevation M: | 155 |
| Saint: | Sts. Peter and Paul |
| Day: | June 29 |
| Postal Code: | 28060 |
| Area Code: | 0321 |
San Pietro Mosezzo is a comune (municipality) in the Province of Novara in the Italian region Piedmont, located about 80km (50miles) northeast of Turin and about 5km (03miles) west of Novara.
San Pietro Mosezzo is divided into four frazioni (wards)—San Pietro (chef-lieu), Cesto, Mosezzo and Nibbia—and three hamlets—Cascinazza, San Stefano and Torre San Pietrina (San Pietro Mosezzo's industrial park). The Canale Cavour flows across the town.
San Pietro Mosezzo borders the following municipalities: Biandrate, Briona, Caltignaga, Casaleggio Novara, Casalino, Novara, and Vicolungo.