Kauhajoki Airfield (IATA: KHJ, ICAO: EFKJ) is a small general aviation aerodrome located near the town of Kauhajoki in the South Ostrobothnia region of western Finland. It primarily serves light aircraft, gliders, and private flying activities rather than scheduled commercial air services. The airfield is operated at a local level and is used by flying clubs and private pilots in the region. It does not handle significant commercial passenger traffic, functioning instead as a base for recreational and training aviation in the area.