Sandsvær is a area in Kongsberg, Viken county, Norway. The area is identical to the former municipality in Buskerud county named Sandsvær. Sandsvær is situated in the valley of Lågendalen on the Numedalslågen river, and is bordered by Kongsberg town in the north, and the county border to Vestfold og Telemark county in the south.
The municipality was created as Kongsberg landdistrikt in 1837. The municipality existed until 1 January 1908, when it was split to form the new municipalities Ytre Sandsvær and Øvre Sandsvær. Prior to the split Sandsvær had a population of 5,709. Both municipalities were later incorporated into Kongsberg.
- Dag Jukvam / Statistics Norway (1999). "Historisk oversikt over endringer i kommune- og fylkesinndelingen". Cite journal requires