Dillon County Airport (IATA: DLL, ICAO: KDLC, FAA LID: DLC) is a county-owned public-use airport located three nautical miles (6 km) north of the central business district of Dillon, a city in Dillon County, South Carolina, United States.

Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, this airport is assigned DLC by the FAA and DLL by the IATA (which assigned DLC to Dalian Zhoushuizi International Airport in Dalian, Liaoning, People's Republic of China).