Mid-Delta Regional Airport (IATA: GLH, ICAO: KGLH, FAA LID: GLH) is a public use airport in unincorporated Washington County, Mississippi, United States. It is located five nautical miles (6 mi, 9 km) northeast of the central business district of Greenville, the city that owns the airport. It is served by one commercial airline which is subsidized by the Essential Air Service program.