| Official Name: | Dorsey, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Pushpin Label: | Dorsey |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Madison |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 587 |
| Coordinates: | 38.9736°N -90.0014°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 62021 |
| Area Code: | 618 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 422634 |
Dorsey is an unincorporated community in Madison County, Illinois, United States. Dorsey is located in Moro Township, 6miles north-northeast of Bethalto.[1] Dorsey has a post office with ZIP code 62021.[2]
A post office has been in operation at Dorsey since 1857.[3] The community bears the name of Samuel L. Dorsey, a local pioneer.[4]