is a municipality in Finnmark county, Norway. The administrative centre of the municipality is the village of Mehamn. The other notable villages in Gamvik include Gamvik and Skjånes. Gamvik is known as one of the poorest and most undeveloped municipalities in Norway. The number of inhabitants rose at one moment in 2012, but in 2014, after the fish factory closed, the population declined dramatically with the departure of the eastern European fishermen.

Mehamn is the administrative centre of Gamvik Municipality in Finnmark county, Norway. The village is located on the small Vedvik peninsula, itself part of the greater Nordkinn Peninsula, at the southern end of the Mehamnfjorden, a bay off of the Barents Sea. The village of Gamvik lies about 16 kilometres (9.9 mi) to the east and the village of Kjøllefjord lies about 30 kilometres (19 mi) to the southwest. Mehamn Chapel is located in this village. The 0.52-square-kilometre (130-acre) village has a population (2017) of 779 which gives the village a population density of 1,498 inhabitants per square kilometre (3,880/sq mi).