Millersburg is a home rule-class city in Bourbon County, Kentucky, United States. The population was 792 at the 2010 census. It is part of the Lexington–Fayette Metropolitan Statistical Area.

Bourbon County is a county located in the U.S. state of Kentucky. As of the 2020 census, the population was 20,252. Its county seat is Paris. Bourbon County is part of the Lexington-Fayette, KY Metropolitan Statistical Area. It is one of Kentucky's nine original counties, and is best known for its historical association with bourbon whiskey.