| Keen Mountain | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Virginia#USA |
| Pushpin Map Caption: | Location within the Commonwealth of Virginia |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Virginia |
| Subdivision Type2: | County |
| Subdivision Name2: | Buchanan |
| Unit Pref: | Imperial |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 37.2039°N -81.98°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | South Grundy, VA 24631 |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1495773 |
Keen Mountain is an unincorporated community in Buchanan County, Virginia located on U.S. Route 460, just south of the community of Oakwood, Virginia.
The Keen Mountain post office was established in 1937.[1] The community was named in honor of William Keen and family, pioneer settlers.[2]