| Sơn Tây district | |
| Settlement Type: | District |
| Native Name: | Huyện Sơn Tây |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | South Central Coast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quảng Ngãi |
| Seat Type: | Capital |
| Seat: | Sơn Dung |
| Unit Pref: | Imperial |
| Area Total Km2: | 381 |
| Population As Of: | 2003 |
| Population Total: | 15,164 |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
Sơn Tây is a district (huyện) of Quảng Ngãi province in the South Central Coastal region of Vietnam. As of 2003 the district had a population of 15,164.[1] The district covers an area of 381 km2. The district capital lies at Sơn Dung.[1]