| Barnwell | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Alabama |
| Pushpin Map Caption: | Location within the state of Alabama |
| Pushpin Mapsize: | 200 |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name: |  United States |
| Subdivision Name1: | Alabama |
| Subdivision Name2: | Baldwin |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Coordinates: | 30.4214°N -87.8775°W |
| Elevation Ft: | 72 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP code |
| Area Code: | 251 |
Barnwell is an unincorporated community in Baldwin County, Alabama, United States. It is located along US 98 in the southern part of the county. Some municipal services are provided by Fairhope. Barnwell is designated by the USGS as a populated place that is neither incorporated nor a census-designated place.[1]
Barnwell is named for a local family.[2] A post office operated under the name Barnwell from 1903 to 1942.[3]