| Lạc Tánh | |
| Settlement Type: | Township (Class-5) |
| Official Name: | Lạc Tánh township |
| Native Name: | Thị trấn Lạc Tánh |
| Pushpin Map: | Vietnam |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | South Central Coast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Bình Thuận |
| Subdivision Type3: | District |
| Subdivision Name3: | Tánh Linh |
| Unit Pref: | Imperial |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
| Coordinates: | 11.0833°N 107.6817°W |
Lạc Tánh is a township (Vietnamese: thị trấn) and capital of Tánh Linh District, Bình Thuận Province, Vietnam.[1]