| Viarigi | |
| Official Name: | Comune di Viarigi |
| Coordinates: | 44.9833°N 30°W |
| Region: | Piedmont |
| Province: | Asti (AT) |
| Frazioni: | Accorneri |
| Mayor: | Francesca Ferraris |
| Area Total Km2: | 13.7 |
| Population Footnotes: | [1] |
| Population Total: | 932 |
| Population As Of: | 31 December 2013 |
| Population Demonym: | Viarigini |
| Elevation M: | 252 |
| Postal Code: | 14030 |
| Area Code: | 0141 |
Viarigi is a comune (municipality) in the Province of Asti in the Italian region Piedmont, located about 50km (30miles) east of Turin and about 15km (09miles) northeast of Asti. Viarigi borders the following municipalities: Altavilla Monferrato, Felizzano, Montemagno, Quattordio, and Refrancore.