Cauayan Airport (Filipino: Paliparan ng Cauayan, Ilokano: Pagtayaban ti Cauayan) (IATA: CYZ, ICAO: RPUY) is an airport serving the general area of Cauayan City, located in Isabela province in the Philippines. It is one of three commercially airports in Isabela, the other being Palanan Airport in the town of Palanan and Maconacon Airport in the town of Maconacon.