Gamvik is a municipality in Finnmark county, Norway. The administrative centre of the municipality is the village of Mehamn. The municipality of Gamvik was separated from Tana on 1 July 1913.The municipality consists of the eastern half of the Nordkinn Peninsula. Kinnarodden is the northernmost point of mainland Europe (The North Cape is on Magerøya island). Most people live in the village of Mehamn (about 700 inhabitants), which has an airport, Mehamn Airport, and is also a port of call of the hurtigruten coastal boats. Gamvik and SkjåNes are two other villages in the county. The Slettnes lighthouse near the village of Gamvik is the northernmost lighthouse on the mainland of Europe.
The Old Norse form of the name may have been Gangvík. The first element is then gangr m 'path', the last element is vík f 'cove, wick'.The coat-of-arms is from modern times. They were granted on 28 September 1990. The arms show a characteristic maritime tool to emphasize the importance of fishing: three needles for the making and mending fishing nets. Three of these yellow-colored needles are set diagonally on a red background.