| Official Name: | Glenn, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Glenn |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Jackson |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 384 |
| Coordinates: | 37.8036°N -89.5806°W |
| Area Code: | 618 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 422742 |
Glenn is an unincorporated community in Kinkaid Township, Jackson County, Illinois, United States. Glenn is located on Illinois Route 3, 7miles east-southeast of Rockwood.[1] Glenn was named after either its first postmaster, Walter J. Glenn, or early settler Robin Glenn.[2]