| Tân Sơn District | |
| Settlement Type: | District |
| Native Name: | Huyện Tân Sơn |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northeast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Phú Thọ |
| Seat Type: | Capital |
| Unit Pref: | Imperial |
| Timezone: | Indochina Time |
| Utc Offset: | +7 |
Tân Sơn is a rural district of Phú Thọ province in the Northeast region of Vietnam.