| Trà Lĩnh | |
| Settlement Type: | Township (Class-5) |
| Official Name: | Trà Lĩnh township |
| Native Name: | Thị trấn Trà Lĩnh |
| Pushpin Map: | Vietnam |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northeast |
| Subdivision Type2: | Province |
| Subdivision Name2: | Cao Bằng |
| Subdivision Type3: | District |
| Subdivision Name3: | Trùng Khánh |
| Unit Pref: | Imperial |
| Area Total Km2: | 14.90 |
| Population As Of: | 2019 |
| Population Total: | 5.356 |
| Population Density Km2: | 359 |
| Timezone: | UTC + 7 |
| Utc Offset: | +7 |
| Coordinates: | 22.8286°N 106.3236°W |
Trà Lĩnh is a township of Trùng Khánh District, Cao Bằng Province.[1] It is located near the China-Vietnam border and is a road border crossing between the two countries. The Longbang Port control point is located on the Chinese side of the border.
The township was formerly named Hùng Quốc and was the district capital of former Trà Lĩnh District.