Simlebreen
or is a glacier in Beiarn Municipality in Nordland county, Norway. The glacier lies about north of the much larger glacier named Svartisen, making it the 18th largest glacier on the Norwegian mainland. However a 2018 study concluded that the glacier's area had diminished from in 1999, to in 2018. The mountain Simletinden lies on the East side of the glacier, reaching a height of.