Greeneville Municipal Airport (IATA: GCY, ICAO: KGCY, FAA LID: GCY) is a public airport located two miles (3 km) north of the central business district of Greeneville, a town in Greene County, Tennessee, United States. It is owned by the Town of Greeneville.

Greeneville Municipal Airport covers an area of 160 acres (65 ha) which contains one asphalt paved runway (5/23) measuring 6,300 x 100 ft (1,920 x 30 m). For the 12-month period ending August 31, 2019, the airport had 37,730 aircraft operations, an average of 103 per day: 80% general aviation, 19% air taxi, and 1% military.

• List of airports in Tennessee

• Greeneville Municipal Airport Archived 2013-07-13 at the Wayback Machine page at Tennessee DOT Airport Directory
• Resources for this airport:
  • FAA airport information for GCY
  • AirNav airport information for GCY
  • ASN accident history for GCY
  • FlightAware airport information and live flight tracker
  • SkyVector aeronautical chart for GCY