Beaumont-sur-Sarthe (French pronunciation: [bomɔ̃ syʁ saʁt], literally Beaumont on Sarthe; pre-revolutionary name: Beaumont-le-Vicomte) is a commune in the Sarthe department and Pays de la Loire region of north-western France.

The residents of Beaumont are known in French as les Belmontais.

As the name indicates, Beaumont lies on the river Sarthe.

Beaumont-sur-Sarthe is twinned with the town of Burgh le Marsh in Lincolnshire, England.

This Sarthe geographical article is a stub.