| Official Name: | Divide, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Divide |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Jefferson |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 541 |
| Coordinates: | 38.4469°N -88.8297°W |
| Area Code: | 618 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 422629 |
Divide is an unincorporated community in Jefferson County, in the U.S. state of Illinois.
A post office was established at Divide in 1879, and remained in operation until 1905.[1] The community most likely was so named on account of its location near a drainage divide.[2]