Langkawi International Airport (IATA: LGK, ICAO: WMKL) is an airport in Padang Matsirat, Langkawi, Kedah, Malaysia.

In 2015, the airport handled 2,336,177 passengers and 30,853 aircraft movements.

The airport serves as a venue for the biennial Langkawi International Maritime and Aerospace Exhibition (LIMA), an international aerospace event for aviation industry and aero performances for the public. The airport's capacity was upgraded to accommodate 4 million passengers per year in September 2018.