Dillant–Hopkins Airport (IATA: EEN, ICAO: KEEN, FAA LID: EEN) is a general aviation airport located 2 miles (3.2 km) south of the central business district (CBD) of Keene, in Cheshire County, New Hampshire, United States. It covers 888 acres (359 ha) and has two runways. 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.

The city enjoyed six decades of regularly scheduled airline service starting in the 1940s, with multiple daily flights operated with a mix of commuter prop, regional turboprop and mainline jet service. As of June 2008, however, the airport had no commercial airline service.