| Quargnento | |
| Official Name: | Comune di Quargnento |
| Coordinates: | 44.9458°N 8.4881°W |
| Region: | Piedmont |
| Province: | Alessandria (AL) |
| Mayor: | Luigi Benzi |
| Area Total Km2: | 36.2 |
| Population Footnotes: | [1] |
| Population Total: | 1334 |
| Population As Of: | 2005 |
| Population Demonym: | Quargnentini |
| Elevation M: | 121 |
| Saint: | San Dalmazio |
| Day: | 5 December |
| Postal Code: | 15044 |
| Area Code: | 0131 |
Quargnento (pronounced as /it/; Quargnent) is a comune (municipality) in the province of Alessandria, in the Italian region of Piedmont, located about 60km (40miles) east of Turin and about 11km (07miles) northwest of Alessandria.
It is home to a notable Catholic basilica, San Dalmazio.
Quargnento is twinned with:
Coubon, France