Beauce-Sartigan is a regional county municipality in the Chaudière-Appalaches region of Quebec, Canada.

It shares its eastern border with Maine, United States.

The name of the RCM is linked to the historical region of which it is part, Beauce.

Sartigan is a distortion of Mechatigan (or Msakkikhan), the name given to the Chaudière River by the native Abenakis.

Source: 2016 Census [3] Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:[5]