| Thạch Thành district | |
| Settlement Type: | District |
| Native Name: | Huyện Thạch Thành |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | North Central Coast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Thanh Hóa |
| Seat Type: | Capital |
| Seat: | Kim Tân |
| Unit Pref: | Imperial |
| Area Total Km2: | 567 |
| Population As Of: | 2019 |
| Population Total: | 143,080 |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
Thạch Thành is a district (huyện) of Thanh Hóa province in the North Central Coast region of Vietnam.
As of 2019 the district had a population of 143,080.[1] The district covers an area of 567 km². The district capital lies at Kim Tân.[1]