Frenchburg is a home rule-class city in Menifee County, Kentucky, in the United States. The population was 601 at the 2020 census, up from 486 in 2010. It is the seat and only incorporated city in its rural county. It is located at the junction of U.S. Route 460 and Kentucky Route 36. Logging is the primary industry. Frenchburg is part of the Mount Sterling Micropolitan Statistical Area.