| Pietra Marazzi | |
| Official Name: | Comune di Pietra Marazzi |
| Coordinates: | 44.95°N 48°W |
| Region: | Piedmont |
| Province: | Alessandria (AL) |
| Frazioni: | Pavone |
| Mayor: | Gianfranco Calorio |
| Area Total Km2: | 7.8 |
| Population Total: | 915 |
| Population As Of: | 2010[1] |
| Population Demonym: | Pietramarazzesi |
| Elevation M: | 95 |
| Postal Code: | 15040 |
| Area Code: | 0131 |
Pietra Marazzi is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 80km (50miles) east of Turin and about 5km (03miles) northeast of Alessandria.
Pietra Marazzi borders the following municipalities: Alessandria, Montecastello, and Pecetto di Valenza.