Cauayan Airport is an airport serving the general area of Cauayan, a city in Isabela province in the Philippines. It is one of three commercial airports in Isabela, the others being Palanan Airport in the town of Palanan and Maconacon Airport in the town of Maconacon. It is classified as a secondary airport, or a minor commercial domestic airport, by the Air Transportation Office, a body of the Department of Transportation that is responsible for the operations of not only this airport but also of all other airports in the Philippines except the major international airports.