Bắc Yên is a rural district of Sơn La province in the Northwest region of Vietnam. As of 2003, the district had a population of 48,877.[1] The district covers an area of 1,085 km2. The district capital lies at Bắc Yên.[1]
21°15′00″N 104°25′01″E / 21.250°N 104.417°E / 21.250; 104.417