| San Pietro in Gu | |
| Official Name: | Comune di San Pietro in Gu |
| Coordinates: | 45.6167°N 51°W |
| Region: | Veneto |
| Province: | Padua (PD) |
| Mayor Party: | Lista Civica |
| Mayor: | Paolo Polati |
| Area Total Km2: | 17.8 |
| Population Total: | 4483 |
| Population As Of: | 2007[1] |
| Population Demonym: | Guadensi |
| Elevation M: | 44 |
| Postal Code: | 35010 |
| Area Code: | 049 |
San Pietro in Gu is a comune (municipality) in the Province of Padua in the Italian region Veneto, located about 50km (30miles) northwest of Venice and about 25km (16miles) northwest of Padua.
San Pietro in Gu borders the following municipalities: Bolzano Vicentino, Bressanvido, Carmignano di Brenta, Gazzo, Grantorto, Pozzoleone, Quinto Vicentino.