| Official Name: | Thorn, Mississippi |
| Pushpin Map: | Mississippi#USA |
| Pushpin Label: | Thorn |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Mississippi |
| Subdivision Type2: | County |
| Subdivision Name2: | Chickasaw |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 328 |
| Coordinates: | 33.9425°N -89.1025°W |
| Area Code: | 662 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 678719 |
Thorn, also known as Flatwoods, is an unincorporated community in Chickasaw County, Mississippi, United States.
Thorn is named for the first postmaster, William Thorn.[1] A post office operated under the name Thorn from 1892 to 1971.[2]
Thorn was once home to a school and general store.[3]