梅尔比（挪威语：Melbu）是挪威诺尔兰郡哈德瑟尔市的一个镇。

Melbu is a village in the municipality of Hadsel in Nordland county, Norway. It is located on the island of Hadseløya on the northern shore of the Hadselfjorden. Melbu is one of two population centres on the island of Hadseløya, and it is called "The Pearl of Vesteraalen". The other being the town of Stokmarknes in the north. The 1.73-square-kilometre (430-acre) village has a population (2013) of 2,207. The population density is 1,276 inhabitants per square kilometre (3,300/sq mi). Melbu is host to the annual Sommer-Melbu festival.