| Thanh Hải | |
| Settlement Type: | Commune and village |
| Pushpin Label Position: | top |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Vietnam |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Bắc Giang |
| Subdivision Type2: | District |
| Subdivision Name2: | Lục Ngạn |
| Unit Pref: | Imperial |
| Population As Of: | 1999 |
| Population Total: | 12624 |
| Population Blank1 Title: | Ethnicities |
| Utc Offset: | +07:00 |
Thanh Hải is a commune (xã) and village in Lục Ngạn District, Bắc Giang Province, in northeastern Vietnam.[1]