Belveglio is a comune (municipality) in the Province of Asti in the Italian region Piedmont, located about 60 kilometres (37 mi) southeast of Turin and about 13 kilometres (8 mi) southeast of Asti. As of 31 December 2004, it had a population of 330 and an area of 5.4 square kilometres (2.1 sq mi).
Belveglio borders the following municipalities: Cortiglione, Mombercelli, Rocchetta Tanaro, and Vinchio.