Canadian Forces Base Moose Jaw (IATA: YMJ, ICAO: CYMJ), also known as 15 Wing Moose Jaw, is a Canadian Forces base located 4 nautical miles (7.4 km; 4.6 mi) south of Moose Jaw, Saskatchewan. It is operated as an air force base by the Royal Canadian Air Force (RCAF) and is home to RCAF Pilot training and 431 Squadron, the Snowbirds, which is the RCAF's air demonstration squadron.

The base's airfield is named after Air Vice-Marshal Clifford McEwen and is one of only three military aerodromes in Canada to be named after an individual, Valcartier (W/C J.H.L. (Joe) Lecomte) Heliport and Cold Lake/Group Captain R.W. McNair Airport being the others.

The airport is classified as an airport of entry by Nav Canada and is staffed by the Canada Border Services Agency (CBSA). The customs service is restricted to 15 Wing – Moose Jaw aircraft only.