Porsanger (Norwegian) or Porsáŋgu (Northern Sami) or Porsanki (Kven/Finnish) is a municipality in Finnmark county, Norway. The administrative centre of the municipality is the village of Lakselv. Since 2004, the municipality has had three official names: Porsanger, Porsáŋgu, and Porsanki, since it has three official languages.
Porsanger (named Kistrand before 1964) was established as a municipality on 1 January 1838 (see formannskapsdistrikt). Three other municipalities were later separated from it: Kautokeino (in 1851), Nordkapp (in 1861) and Karasjok (in 1866).
With a population of 4100 people, many with Kven(Kainu) or Sami background. The population decreases slowly with 0-8% according to the municipality statistics, taken yearly.