| Wenshui County | |
| Postal Code Type: | Postal code |
| Settlement Type: | County |
| Image Map1: | Location of Lüliang Prefecture within Shanxi (China).png |
| Map Caption1: | Lüliang in Shanxi |
| Coordinates: | 37.438°N 112.029°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Shanxi |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Lüliang |
| Area Total Km2: | 1069 |
| Population: | 372580 |
| Population As Of: | 2020[1] |
| Population Density Km2: | auto |
| Timezone: | China Standard |
| Utc Offset: | +8 |
Wenshui County is a county in the west-central part of Shanxi Province, China. It is under the administration of the prefecture-level city of Lüliang.
This county was the ancestral home of Wu Zetian, the only empress in Chinese history.