| Hải Hà district | |
| Settlement Type: | District |
| Native Name: | Huyện Hải Hà |
| Pushpin Map: | Vietnam |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northeast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quảng Ninh |
| Seat Type: | Capital |
| Seat: | Quảng Hà |
| Established Title: | Founded |
| Established Date: | 2001 |
| Unit Pref: | Imperial |
| Area Total Km2: | 495,5 |
| Population As Of: | 2019 |
| Population Total: | 62.240 |
| Population Density Km2: | 126 |
| Population Blank1 Title: | Ethnicities |
| Population Blank1: | Kinh, Dao, Tay, San Diu, Nung |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
Hải Hà, formerly name is Hà Cối is a rural district of Quảng Ninh province in the northeastern region of Vietnam. As of 2003, the district had a population of 50,878.[1] The district covers an area of 495 km². The district capital lies at Quảng Hà.[1]
Quảng Hà, Quảng Minh, Quảng Thành, Quảng Thắng, Phú Hải, Quảng Chính, Quảng Trung, Quảng Điền, Quảng Phong, Quảng Long, Quảng Sơn, Đường Hoa, Tiến Tới, Quảng Đức, Quảng Thịnh and Cái Chiên.