| Yongji | |
| Other Name: | Yungtsi |
| Settlement Type: | County-level city |
| Pushpin Map: | China Shanxi |
| Pushpin Map Caption: | Location in Shanxi |
| Coordinates: | 34.867°N 110.448°W |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Shanxi |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Yuncheng |
| Seat Type: | City seat |
| Unit Pref: | Metric |
| Area Total Km2: | 1221.1 |
| Area Urban Km2: | 214.34 |
| Area Footnotes: | [1] |
| Population Density Km2: | auto |
| Population Total: | 452000 |
| Population As Of: | 2017 |
| Population Urban: | 171000 |
| Timezone1: | China Standard |
| Utc Offset1: | +8 |
| Postal Code Type: | Postal code |
Yongji is a county-level city in the prefecture-level city of Yuncheng, in the southwest of Shanxi province, China, bordering Shaanxi province to the west.
According to a census in 2011, the population in Yongji was 446,000.[2]