Chatham Municipal Airport (ICAO: KCQX, FAA LID: CQX) is a public airport located two miles (3 km) northwest of the central business district of Chatham, a town in Barnstable County, Massachusetts, United States. The airport is owned by the Town of Chatham.

It has a full-service FBO (Cape Cod Flying Circus) and maintenance facility in their main building (Stick N Rudder Aero Maintenance). The flight school and sightseeing are operated by Cape Aerial Tours. Upstairs, there is also a restaurant and coffee company, Hangar B and B-Side, respectively, serving breakfast and lunch.