Karin Elisabeth Dreijer (born 7 April 1975) is a Swedish singer-songwriter and record producer. Dreijer was one half of the electronic music duo the Knife, formed with their brother Olof Dreijer. Dreijer released their debut solo album under the alias Fever Ray in January 2009. Their second studio album, Plunge, under the same alias, was released in October 2017.