Mulegns is a village and a former municipality in the Sursés in the district of Albula in the canton of Graubünden in Switzerland . On 1 January 2016 the former municipalities of Bivio , Cunter , Marmorera , Mulegns, Riom-Parsonz , Salouf , Savognin , Sur and Tinizong-Rona merged to form the new municipality of Surses .

Around 600-500 BC, a copper mine and smelter were built in the Val Faller (Faller valley) near modern Mulegns. The village was founded by a Walser group during the 15th Century. It was first mentioned in 1521.

Mulegns had an area, as of 2006, of 33.8 km2 (13.1 sq mi).