Greater Moncton Roméo LeBlanc International Airport (GMIA, French: Aéroport international Roméo-LeBlanc du Grand Moncton) or Moncton/Greater Moncton Roméo LeBlanc International Airport (IATA: YQM, ICAO: CYQM) is located in the city of Dieppe 4 nautical miles (7.4 km; 4.6 mi) east northeast of downtown Moncton, New Brunswick, Canada. Originally named Greater Moncton International Airport, the airport was renamed in 2016, in honour of former Governor General Roméo LeBlanc.

The GMIA handled 674,406 passengers and 122,308 aircraft movements in 2019.

GMIA covers a total land area of 760 hectares (1,878 acres) of airport property.

Designated as an international airport by Transport Canada, it is staffed by the Canada Border Services Agency (CBSA). CBSA officers at this airport currently can handle aircraft with up to 300 passengers, although planes as large as the 580 passenger Boeing 747 have been handled.

GMIA is home to the Moncton Flight College, the largest flight college in Canada.