| Tam Dương district | |
| Settlement Type: | District |
| Native Name: | Huyện Tam Dương |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Red River Delta |
| Subdivision Type2: | Province |
| Subdivision Name2: | Vĩnh Phúc |
| Seat Type: | Capital |
| Seat: | Hợp Hòa |
| Unit Pref: | Imperial |
| Area Total Km2: | 107 |
| Population As Of: | 2003 |
| Population Total: | 94,124 |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
Tam Dương is a rural district (huyện) of Vĩnh Phúc province in the Red River Delta region of northern Vietnam. As of 2003 the district had a population of 94,124.[1] The district covers an area of 107 km2. The district capital lies at Hợp Hòa.[1]