| Official Name: | Old Du Quoin, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Old Du Quoin |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Perry |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 443 |
| Coordinates: | 37.975°N -89.1831°W |
| Area Code: | 618 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 415014 |
Old Du Quoin is an unincorporated community in Perry County, Illinois, United States. The community is located along Illinois Route 14 3.8miles southeast of downtown Du Quoin.[1] The community was the original site of Du Quoin before its residents relocated to a site next to a new railroad line in the 1850s.[2]