Harlan County is a county located in southeastern Kentucky. As of the 2020 census, the population was 26,831. Its county seat is Harlan. It is classified as a moist county—one in which alcohol sales are prohibited, but containing a "wet" city—in this case Cumberland, where package alcohol sales are allowed. In the city of Harlan, restaurants seating 100+ may serve alcoholic beverages.

Harlan is a home rule-class city in and the county seat of Harlan County, Kentucky, United States. The population was 1,745 at the 2010 census, down from 2,081 at the 2000 census.