Bivio (Romansh: Beiva, German: Stallen) is a village and former municipality in the Sursés in the district of Albula of the Swiss canton of Graubünden. 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 .

Bivio is first mentioned about 840 as de stabulo Bivio. At one time it was known, in German, as Stallen and until 1895/1903 by its Italian name Stalla.

Bivio had an area, as of 2006, of 76.7 km2 (29.6 sq mi). Of this area, 48.8% is used for agricultural purposes, while 2.2% is forested.