| Jianxi | |
| Native Name: | 建西镇 |
| Native Name Lang: | zh-cn |
| Settlement Type: | Town |
| Pushpin Map: | China Fujian |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Fujian |
| Coordinates: | 26.8147°N 117.9513°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fujian |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Nanping |
| Subdivision Type3: | County |
| Subdivision Name3: | Shunchang County |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
Jianxi is a town of Shunchang County in Fujian province, China.[1], it has one residential community and 9 villages under its administration.[2]