Birgisch (Swiss Standard German pronunciation: [ˈbɪrɡɪʃ]) is a former municipality in the district of Brig in the canton of Valais in Switzerland . On 1 January 2013 the former municipalities of Birgisch and Mund merged into the municipality of Naters .

Birgisch is first mentioned in 1232 as Burginse.

Before the merger, Birgisch had a total area of 5.7 km2 (2.2 sq mi). The area is divided as follows: 37.9% is used for agricultural purposes, while 46.5% is forested. Of the rest of the land, 3.0% is settled (buildings or roads) and 12.6% is unproductive land.