Scott County is a county located in the far southwestern part of the U.S. state of Virginia, on the border with Tennessee. As of the 2020 census, the population was 21,576. Its county seat is Gate City.

Cities: Gate City, Weber City, Duffield, Nickelsville, Dungannon, Clinchport
Area: 539 mi²
County seat: Gate City
Population: 21,476 (2022)
Congressional district: 9th
Named for: Winfield Scott