Corbasca (Hungarian: Korbászka) is a commune in Bacău County, Western Moldavia, Romania. It is composed of seven villages: Băcioiu, Corbasca, Marvila, Pogleț, Rogoaza, Scărișoara, and Vâlcele.

At the 2011 census, the commune had 4,914 inhabitants, of which 64.5% were Romanians and 35.4% Roma. At the 2021 census, Corbasca had a population of 4,811; of those, 46.1% were Romanians and 44.27% Roma.