| Montacuto | |
| Official Name: | Comune di Montacuto |
| Coordinates: | 44.7667°N 15°W |
| Region: | Piedmont |
| Province: | Alessandria (AL) |
| Mayor: | Giovanni Carlo Ferrari |
| Area Total Km2: | 23.7 |
| Population Footnotes: | [1] |
| Population Total: | 263 |
| Population As Of: | 31 October 2017 |
| Population Demonym: | Monteacutesi |
| Elevation M: | 525 |
| Postal Code: | 15050 |
| Area Code: | 0131 |
Montacuto is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 120km (80miles) southeast of Turin and about 40km (30miles) southeast of Alessandria.
Montacuto borders the following municipalities: Albera Ligure, Cantalupo Ligure, Dernice, Fabbrica Curone, Gremiasco, and San Sebastiano Curone.