| Daxin County | |
| Postal Code Type: | Postal code |
| Settlement Type: | County |
| Pushpin Map: | China Guangxi |
| Pushpin Label: | Daxin |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location of the seat in Guangxi |
| Coordinates: | 22.8361°N 107.1997°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Autonomous region |
| Subdivision Name1: | Guangxi |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Chongzuo |
| Seat Type: | County seat |
| Seat: | Taocheng |
| Area Total Km2: | 2756 |
| Population Total: | 282,563 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Daxin County (Zhuang: Zhuang; Chuang: Dasinh Yen) is a county in the west of Guangxi Zhuang Autonomous Region, China. It is under the administration of Chongzuo city.
The southwest border of Daxin County is along Cao Bằng Province, Vietnam. The legal description is mainly determined for a part of its length by the midline of the watercourse along the Guichun River and its Detian Falls.
Daxin County is divided into 5 towns and 9 townships:[1]