Port Allen Airport (IATA: PAK, ICAO: PHPA, FAA LID: PAK) is a regional airport of the State of Hawai'i. It is located 1 nautical mile (1.9 km; 1.2 mi) southwest of the unincorporated town of Hanapepe on the south shore of the island of Kauaʻi. Most flights to Port Allen Airport originate from commuter airports on the other Hawaiian islands by unscheduled air taxis and general aviation.

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 general aviation facility.