The Deruga Case (German: Der Fall Deruga) is a 1938 German crime film directed by Fritz Peter Buch and starring Willy Birgel, Geraldine Katt and Dagny Servaes. It is based on the 1917 novel of the same title by Ricarda Huch. The film's sets were designed by the art directors Wilhelm Depenau and Ludwig Reiber.