Betten is a former municipality in the district of Raron in the canton of Valais in Switzerland . On 1 January 2014 the former municipalities of Betten and Martisberg merged into the new municipality of Bettmeralp .

Betten is first mentioned in 1243 as Bettan.

Before the merger, Betten had a total area of 26.4 km2 (10.2 sq mi). Of this area, 15.9% is used for agricultural purposes, while 12.0% is forested. Of the rest of the land, 1.3% is settled (buildings or roads) and 70.8% is unproductive land.