| Thanh Sơn District | |
| Settlement Type: | District |
| Native Name: | Huyện Thanh Sơn |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northeast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Phú Thọ |
| Seat Type: | Capital |
| Seat: | Thanh Sơn |
| Unit Pref: | Imperial |
| Area Total Km2: | 1309 |
| Population As Of: | 2003 |
| Population Total: | 187,700 |
| Timezone: | Indochina Time |
| Utc Offset: | +7 |
Thanh Sơn is a rural district of Phú Thọ province in the Northeast region of Vietnam. The Xuân Sơn National Park lies within the district. As of 2003, the district had a population of 187,700. The district covers an area of 1,309 km². The district capital lies at Thanh Sơn.
The district consists of the district capital, Thanh Sơn, and 22 communes: Sơn Hùng, Địch Quả, Giáp Lai, Thục Luyện, Võ Miếu, Thạch Khoán, Cự Thắng, Tất Thắng, Văn Miếu, Cự Đồng, Thắng Sơn, Tân Minh, Hương Cần, Khả Cửu, Tân Lập, Đông Cửu, Yên Lãng, Yên Lương, Thượng Cửu, Lương Nha, Yên Sơn and Tinh Nhuệ.