Wiscasset Airport is a public-use airport located three miles (5 km) southwest of the central business district of Wiscasset, a town in Lincoln County, Maine, United States. This general aviation airport is publicly owned by Town of Wiscasset. It is currently not served by commercial aircraft, though scheduled air service was once available on Downeast Airlines.
Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, Wiscasset Airport is assigned IWI by the FAA and ISS by the IATA. The airport's ICAO identifier is KIWI.