| Official Name: | Derby, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Derby |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Ford |
| Subdivision Type3: | Township |
| Subdivision Name3: | Drummer |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 758 |
| Coordinates: | 40.4417°N -88.4425°W |
| Area Code: | 217 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 422621 |
Derby is an unincorporated community in Ford County, Illinois, United States. Derby is located southwest of Gibson City, and its zip code, 60936, is associated with Gibson City.