White Knoll is an unincorporated area and census-designated place (CDP) in Lexington County, South Carolina, United States.

[4] The CDP is in central Lexington County, bordered to the north by Red Bank and 5 miles (8 km) south of Lexington, the county seat.

South Carolina Highway 6 passes through the community, leading north to Lexington and southeast 15 miles (24 km) to Swansea.

White Knoll High School is in the northern part of the community on the south side of Platt Springs Road.

This South Carolina state location article is a stub.