Ellison Onizuka Kona International Airport at Keāhole (IATA: KOA, ICAO: PHKO, FAA LID: KOA) is the primary airport on the Island of Hawaiʻi, located in Kailua-Kona, Hawaii, United States. The airport serves leeward (western) Hawaiʻi island, including the resorts in North Kona and South Kohala. It is one of two international airports serving Hawaiʻi island, the other being Hilo International Airport on the windward (eastern) side.

It is included in the Federal Aviation Administration's National Plan of Integrated Airport Systems for 2021–2025, in which it is categorized as a small-hub primary commercial service facility.