| Ba Chẽ district | |
| Settlement Type: | District |
| Native Name: | Huyện Ba Chẽ |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northeast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quảng Ninh |
| Seat Type: | Capital |
| Seat: | Ba Chẽ |
| Leader Title: | Chairman of the People's Council |
| Leader Name: | Bùi Văn Lưu |
| Unit Pref: | Imperial |
| Area Total Km2: | 577 |
| Population As Of: | 2003 |
| Population Total: | 17,335 |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
Ba Chẽ is a district of Quảng Ninh province in the northeastern region of Vietnam. As of 2003 the district had a population of 17,335. The district covers an area of 577 km². The district capital lies at Ba Chẽ.
The district is divided into 1 township and 7 communes: Ba Chẽ, Đồn Đạc, Nam Sơn, Đạp Thanh, Minh Cầm, Lương Mông, Thanh Lâm, Thanh Sơn.