Melbu[3] is a village in Hadsel Municipality in Nordland county, Norway.

The village is located on the island of Hadseløya on the northern shore of the Hadselfjorden.

Melbu is one of the two main population centres on the island of Hadseløya, and it is called "The Pearl of Vesteraalen".

Melbu is also a school centre in Vesterålen, and has a ferry connection to the village of Fiskebøl on the island of Austvågøya to the south via the Melbu-Fiskebøl Ferry.

The Norwegian Fishing Industry Museum is located in the town's former Neptune Herring Oil Factory.