Utsjoki is a municipality in Finland, the northernmost in the country. It is in Lapland and borders Norway as well as the municipality of Inari. The municipality was founded in 1876. It has a population of 1,130 (31 March 2025) and covers an area of 5,372.00 square kilometres (2,074.14 sq mi) of which 227.51 km² (87.84 sq mi) is water. The population density is 0.22 inhabitants per square kilometre (0.57/sq mi).