Kasigluk Airport (IATA: KUK, ICAO: PFKA, FAA LID: Z09) is a state-owned public-use airport located two nautical miles (4 km) south of the central business district of Kasigluk, in the Bethel Census Area of the U.S. state of Alaska.

As per Federal Aviation Administration records, this airport had 4,001 passenger boardings (enplanements) in calendar year 2007, a decrease of 5% from the 4,218 enplanements in 2006.