| Bắc Yên district | |
| Settlement Type: | District |
| Native Name: | Huyện Bắc Yên |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northwest |
| Subdivision Type2: | Province |
| Subdivision Name2: | Sơn La |
| Seat Type: | Capital |
| Seat: | Bắc Yên |
| Unit Pref: | Imperial |
| Area Total Km2: | 1085 |
| Population As Of: | 2003 |
| Population Total: | 48,877 |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
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]