Låmivatnet (Lule Sami: Loamejávrre) is a lake in the municipality of Fauske in Nordland county, Norway. The 11.43-square-kilometre (4.41 sq mi) lake lies about 5 kilometres (3.1 mi) east of Sulitjelma, just south of the Sulitjelmaisen glacier and north of Junkerdal National Park.