Arlington Municipal Airport (ICAO: KGKY, FAA LID: GKY) is five miles south of Arlington, in Tarrant County, Texas. The airport is at the intersection of Interstate 20 and South Collins Road; it is a reliever airport for Dallas/Fort Worth International Airport and Dallas Love Field.

Several companies operate aircraft services on the airport property, including the Bell Helicopter division of Textron.

Most U.S. airports use the same three-letter location identifier for the FAA and IATA, but this airport GKY to the FAA and has no IATA code.