Einar Selvik, also known by his stage name Kvitrafn, is a Norwegian musician known for founding and driving the Nordic folk project Wardruna in 2002, and being the drummer in the black metal band Gorgoroth from 2000 to 2004.

Selvik and Wardruna’s soundtrack work for the History Channel television show Vikings has earned him international prominence, and he also briefly appeared as an actor on the show.