Kings Mountain is a small suburban city within the Charlotte metropolitan area in Cleveland and Gaston counties, North Carolina, United States. Most of the city is in Cleveland County, with a small eastern portion in Gaston County. The population was 10,296 at the 2010 census.

Cleveland County is a county located in the foothills of the Blue Ridge Mountains and the western Piedmont, on the southern border of the U.S. state of North Carolina. As of the 2020 census, the population was 99,519. Its county seat is Shelby. Cleveland County comprises the Shelby-Kings Mountain, NC Micropolitan Statistical Area, which is also included in the Charlotte-Concord, NC-SC Combined Statistical Area.