Havvannet

or is a lake in Måsøy Municipality in Finnmark county, Norway. The 3.69 km2 lake lies isolated in the mountains on the Porsanger Peninsula about 9 km northeast of the village of Kokelv in Hammerfest Municipality. The lake sits at an elevation of 293 m above sea level. The village of Slåtten lies about 14 km northwest of the lake.