| Official Name: | Chauncey, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Chauncey |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Lawrence |
| Subdivision Type3: | Township |
| Subdivision Name3: | Petty |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 489 |
| Coordinates: | 38.8353°N -87.8708°W |
| Area Code: | 618 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 405994 |
Chauncey is an unincorporated community in Lawrence County, Illinois, United States. Chauncey is 8miles north of Sumner.