| Cerro Tanaro | |
| Official Name: | Comune di Cerro Tanaro |
| Coordinates: | 44.8667°N 30°W |
| Region: | Piedmont |
| Province: | Asti (AT) |
| Mayor: | Mauro Malaga |
| Area Total Km2: | 4.7 |
| Population Total: | 648 |
| Population As Of: | 1 January 2010[1] |
| Population Demonym: | Cerresi |
| Elevation M: | 109 |
| Postal Code: | 14030 |
| Area Code: | 0141 |
Cerro Tanaro is a comune (municipality) in the Province of Asti in the Italian region Piedmont, located about 60km (40miles) southeast of Turin and about 14km (09miles) southeast of Asti.
Cerro Tanaro borders the following municipalities: Castello di Annone, Masio, Quattordio, and Rocchetta Tanaro.