Woman of Darkness or The Yngsjö Murder (Swedish: Yngsjömordet) is a 1966 Swedish historical crime film directed by Arne Mattsson and starring Gunnel Lindblom, Christina Schollin and Gösta Ekman. It was shot at the Råsunda Studios in Stockholm. The film's sets were designed by the art director P.A. Lundgren. It was based on the real Yngsjö murder case of 1889. It was a critical success and drew significant audiences.