Krutvatnet (Southern Sami: Kruvhtegenjaevrie) is a lake in the municipality of Hattfjelldal in Nordland county, Norway. It lies about 7.5 kilometres (4.7 mi) east of the lake Røssvatnet and about 2 kilometres (1.2 mi) west of the border with Sweden. The Norwegian National Road 73 runs on the southern shore of the lake on its way from Hattfjelldal to Tärnaby in Sweden.
|Max. length||7.3 kilometres (4.5 mi)|
|Max. width||2.1 kilometres (1.3 mi)|
|Surface area||9.9 km2 (3.8 sq mi)|
|Shore length1||23.40 kilometres (14.54 mi)|
|Surface elevation||586 metres (1,923 ft)|
|1 Shore length is not a well-defined measure.|