Nordkvaløya

or is an island in Karlsøy Municipality in Troms county, Norway. The island is situated north of the islands of Ringvassøya and west of Helgøya. The Norwegian Sea borders to the northwest. The 84.4 km2 island of Nordkvaløya is very rugged and mountainous. The highest point is Storalangen at 736 m. In 2017, the island had 3 residents.