| Official Name: | Mills Prairie, Illinois |
| Settlement Type: | Former settlement |
| Pushpin Map: | Illinois |
| Pushpin Label: | Mills Prairie |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Edwards |
| Elevation Ft: | 427 |
| Coordinates: | 38.5042°N -87.9708°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1808162 |
Mills Prairie is a former settlement in Edwards County, Illinois, United States. Mills Prairie was 2miles southeast of West Salem.