Dunedin Airport (IATA: DUD, ICAO: NZDN), officially Dunedin International Airport, also known as Momona Airport, is an international airport in the Otago region of the South Island of New Zealand, serving Dunedin city and the Otago and Southland regions. Dunedin Airport is one of two international airports in Otago, the other being Queenstown International Airport. It is located adjacent to the village of Momona on the Taieri Plains approximately 22 kilometres south west of Dunedin CBD. It is the fifth busiest airport in New Zealand by passengers.

It has a single paved runway rated for aircraft up to the Boeing 767, with ILS in both directions. It has one terminal building with five gates, two with airbridges; and also customs facilities and other amenities. Mainland Air, a flight school and charter service, operates from a hangar next to the terminal building. The Dunedin City Council and the Crown each own 50 percent of Dunedin International Airport Limited, a publicly unlisted company which operates the utility.