| Yongchang County |
| Native Name: | 永昌县 |
| Native Name Lang: | zh-Hans |
| Postal Code Type: | Postal code |
| Settlement Type: | County |
| Image Caption: | Rural area of Yongchang County |
| Pushpin Map: | China Gansu |
| Pushpin Label: | Yongchang |
| Pushpin Map Caption: | Location of the seat in Gansu |
| Coor Pinpoint: | Yongchang County government |
| Coordinates: | 38.2434°N 101.9844°W |
| Subdivision Type: | Country |
| Subdivision Name: | China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gansu |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Jinchang |
| Parts Type: | Township-level Divisions |
| Parts: | 10 township-level divisions |
| Seat Type: | County seat |
| Seat: | Chengguan |
| Area Total Km2: | 4,488.74 |
| Population Footnotes: | [1] |
