| Zhongshan County | |
| Native Name: | · Zhuang; Chuang: Cunghsanh Yen |
| Postal Code Type: | Postal code |
| Settlement Type: | County |
| Pushpin Map: | China Guangxi |
| Pushpin Label: | Zhongshan |
| Pushpin Map Caption: | Location of the seat in Guangxi |
| Coordinates: | 24.526°N 111.303°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Autonomous region |
| Subdivision Name1: | Guangxi |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Hezhou |
| Seat Type: | County seat |
| Seat: | Zhongshan Town |
| Area Total Km2: | 1675 |
| Population Total: | 351,057 |
| Population As Of: | 2020 |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Zhongshan County (; za|Cunghsanh Yen) is a county in the northeast of Guangxi, China. It is under the administration of the prefecture-level city of Hezhou.
Zhongshan County is divided into 10 towns and 2 ethnic townships:[1]