Bath County is a United States county on the central western border of the Commonwealth of Virginia, on the West Virginia state line. As of the 2020 census, the population was 4,209, the second-least populous county in Virginia. Bath's county seat is Warm Springs.

Cities: Hot Springs, Warm Springs
Area: 535 mi²
Population: 4,049 (2022)
County seat: Warm Springs
Congressional district: 6th
Named for: Bath, England