Hidden in the Fog (Swedish: I dimma dold) is a 1953 Swedish mystery crime film directed by Lars-Eric Kjellgren and starring Eva Henning, Sonja Wigert and Hjördis Petterson. It was shot at the Råsunda Studios in Stockholm and on location around the city. The film's sets were designed by the art director P.A. Lundgren. It was based on the 1951 novel of the same title by Vic Sunesson, who also contributed to the screenplay.