| Official Name: | Barnettown, West Virginia |
| Pushpin Map: | West Virginia#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | West Virginia |
| Subdivision Type2: | County |
| Subdivision Name2: | Summers |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1572 |
| Coordinates: | 37.6975°N -80.6769°W |
| Area Codes: | 304 & 681 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1553803 |
Barnettown is an unincorporated community in Summers County, West Virginia, United States. The community is located along the Greenbrier River, about 3miles south of Alderson. Barnettown is served by West Virginia routes 3 and 12.