Rødøy is a municipality in Nordland county, Norway. It is part of the Helgeland traditional region. The administrative centre of the municipality is the village of Vågaholmen. Other villages include Gjerøy, , , Melfjordbotn, Oldervika, Sørfjorden, and Tjong. The municipality consists of many islands to the west of Norway's second biggest glacier, Svartisen.