| Official Name: | Aden, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Aden |
| Pushpin Label Position: | top |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Hamilton |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 400 |
| Coordinates: | 38.2417°N -88.4583°W |
| Area Code: | 618 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 422386 |
Aden is an unincorporated community in Hamilton County, Illinois, United States. Aden is 6miles west of Mill Shoals.
Aden was originally called Lower Hills.[1] A post office was established at Lower Hills in 1875, and the post office was renamed Aden in 1894.[2]