Ballard County is a county located in the west portion of the U.S. state of Kentucky. As of the 2020 census, the population was 7,728. Its county seat is Wickliffe and its largest city is LaCenter. The county was created by the Kentucky State Legislature in 1842 and is named for Captain Bland Ballard, a soldier, statesman, and member of the Kentucky General Assembly. Ballard County is part of the Paducah, KY-IL Metropolitan Statistical Area.

Wickliffe is a home rule-class city and the county seat of Ballard County, Kentucky, United States. The population was 670 at the 2020 census.