Enslaved is a Norwegian extreme metal band formed by Ivar Bjørnson and Grutle Kjellson in Haugesund in 1991. They are currently based in Bergen. The band's lineup has changed many times over the years, and Bjørnson and Kjellson have been the sole constant members. The current lineup also includes lead guitarist Arve Isdal, keyboardist/singer Håkon Vinje, and drummer Iver Sandøy.

Ivar Skontorp Peersen, best known by his stage name Ivar Bjørnson, is a Norwegian musician and composer. He is a founding member and the main songwriter of the extreme metal band Enslaved, and has previously been a member of the metal band Borknagar and collaborated with Einar Selvik on several albums. Bjørnson has released sixteen studio albums with Enslaved and won five Norwegian Spellemann Awards with the band.