Gamvik  (Northern Sami:Gáŋgaviika) is a municipality in Finnmark county, Norway. The administrative centre of the municipality is the village of Mehamn. The other main villages in Gamvik include Gamvik and Skjånes. Gamvik is known as one of poorest and most undeveloped municipalities in Norway. Although number of inhabitants raised at one moment in 2012, after closing fish factory in 2014 number of inhabitants sunk dramatically after leaving of east European fishers.