Bergün Filisur (Romansh: Bravuogn Filisur) is a municipality in the Albula Region in the canton of Graubünden in Switzerland. On 1 January 2018 the former municipalities of Bergün/Bravuogn and Filisur merged to form the new municipality of Bergün Filisur.

Bergün/Bravuogn is first mentioned in 1209 as de Bregonio.

Filisur is first mentioned in 1262 as villa Fallisour.

After the merger, Bergün Filisur has an area, as of 2009^[update], of 190.14 km² (73.41 sq mi).

The new municipality has a population (as of December 2020^[update]) of 7,050.

The historical population is given in the following chart. During construction of the Rhaetian Railway line the population of both communities increased significantly.

Filisur has an average of 107.7 days of precipitation per year and on average receives 915 mm (36.0 in) of it. The wettest month is August during which time Filisur receives an average of 123 mm (4.8 in) of precipitation. During this month there is precipitation for an average of 11.7 days. The driest month of the year is February with an average of 40.4 mm (1.59 in) of precipitation over 6.5 days.

The municipal church and the Chasa Jenatsch with its barn in Bergün and the castle ruins of Greifenstein and the Schmittentobel-Landwasser Viaduct of the Rhaetian Railway in Filisur are listed as Swiss heritage sites of national significance. The villages and hamlets of Bravuogn, Latsch, Stugl and Filisur are part of the Inventory of Swiss Heritage Sites.