Bergamasco is a comune (municipality) in the Province of Alessandria, in the Italian region of Piedmont. It is located about 70 kilometres (43 mi) southeast of Turin and about 15 kilometres (9 mi) southwest of Alessandria.
The comune is distinct from the city of Bergamo in Lombardy, with which its name is sometimes confused. As a municipality of the Province of Alessandria, it forms part of the administrative structure of Piedmont in northwestern Italy.