Plymouth Municipal Airport (IATA: PYM, ICAO: KPYM, FAA LID: PYM) is a town-owned, public-use airport located four nautical miles (7 km) southwest of the central business district of Plymouth, a town in Plymouth County, Massachusetts, United States. According to the FAA's National Plan of Integrated Airport Systems for 2009–2013, it is categorized as a general aviation airport. Due to space issues, the airport has two gates in Carver, Massachusetts.

The field was originally Naval Outlying Landing Field Plymouth, a Naval Outlying Landing Field located in Plymouth, Massachusetts, operational from 1942 to 1945. It existed as an outlying field of Naval Air Station Squantum (as well as nearby Naval Air Station Quonset Point in December 1944) and was used by student pilots to gain flight experience on its two 4,300-foot turf runways.