Meløy is a municipality in Nordland county, Norway. It is part of the Salten traditional region. The administrative centre of the municipality is the village of Ørnes. Other villages include Eidbukta, Glomfjord, Halsa, Reipå, and Ågskardet.
The municipality is situated just to the north of the Arctic Circle on Norway's west coast. It encompasses the island of Meløya and some 700 other islands of various sizes around the Meløyfjorden, Glomfjorden, and Holandsfjorden in the south, along with a stretch of mainland coast.
The municipality of Meløy was established on 1 January 1884 when the northern district of the municipality of Rødøy was separated to become the new municipality of Meløy. The initial population of Meløy was 2,696. The municipal borders have not changed since then.