Ried-Brig is a municipality in the district of Brig in the canton of Valais in Switzerland .

Ried-Brig is first mentioned in 1232 as Riet. In 1428 it was mentioned as ried de briga. Until 1993 it was officially known as Ried bei Brig.

Ried-Brig has an area, as of 2011, of 47.5 square kilometers (18.3 sq mi). Of this area, 19.0% is used for agricultural purposes, while 30.7% is forested.