,, or is an island in Hamarøy Municipality in Nordland county, Norway. The island is located in the Tysfjorden, southwest of the village of Kjøpsvik. The island has an area of 22.1 km2 and the highest point is the 675 m tall Veten. Hulløya had one permanent resident in 2016. An express boat service connects Kjøpsvik (on the mainland) with Hulløyhamn (on Hulløya) and other villages in the fjord several times per week.