| U.S. Post Office and Courthouse | |
| Designated Other1: | Virginia Landmarks Register |
| Designated Other1 Date: | October 21, 1975[1] |
| Designated Other1 Number: | 101-0004 |
| Designated Other1 Num Position: | bottom |
| Location: | 322 Wood Ave. E.[2] Big Stone Gap, Virginia |
| Coordinates: | 36.8664°N -82.775°W |
| Built: | 1911-1913 |
| Architect: | James Knox Taylor |
| Architecture: | Late 19th And 20th Century Revivals, Second Renaissance Revival |
| Added: | December 23, 1975 |
| Area: | less than one acre |
| Refnum: | 75002043 |
The C. Bascom Slemp Federal Building, also known as the Big Stone Gap Post Office and U.S. Post Office and Courthouse, is a historic courthouse and post office building located in Big Stone Gap, Wise County, Virginia. It was designed by the Office of the Supervising Architect under James Knox Taylor and built between 1911 and 1913. It is a three-story, seven-bay, stone building with a low hipped roof in the Second Renaissance Revival style. The front facade features a three-bay Tuscan order portico consisting of four pairs of coupled, unfluted columns.[3] The building is named for Congressman C. Bascom Slemp.
It was listed on the National Register of Historic Places in 1975.