Groton–New London Airport is a state-owned public-use airport located three nautical miles southeast of the central business district of Groton, a town in New London County, Connecticut, United States. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a regional general aviation facility. It serves the southeastern Connecticut region, including the shoreline localities of Groton, New London, and Mystic.