Sumter Airport (IATA: SUM, ICAO: KSMS, FAA LID: SMS) is a public use airport located 4 nmi (7.4 km) north of the central business district of Sumter, a city in Sumter County, South Carolina, United States.

Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, Sumter Airport is assigned SMS by the FAA and SUM by the IATA[2] (which assigned SMS to Sainte Marie Airport in Nosy Boraha, Madagascar[3]).

Sumter Airport covers an area of 429 acres (174 ha) at an elevation of 182 feet (55 m) above mean sea level.

[1] For the 12-month period ending June 17, 2021, the airport had 12,100 aircraft operations, an average of 33 per day: 96% general aviation, 3% air taxi and <1% military.

At that time there were 31 aircraft based at this airport: 21 single-engine, 5 multi-engine, 4 jet, and 1 helicopter.