Marmorera (German: Marmels, Romansh: Murmarera) was a municipality of the district 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.