The Deadly Avenger of Soho is a 1972 Spanish-West German mystery crime thriller film directed by Jesús Franco and starring Horst Tappert, Fred Williams and Barbara Rütting. The film's sets were designed by the art director Hans Jürgen Kiebach. Based on a novel by Bryan Edgar Wallace, it was in the tradition of the German series of Krimi, based on the works of his father Edgar Wallace, while also reflecting the popularity of Giallo. The film was shot in the spring of 1971 with location shooting in Alicante, Barcelona and London. It premiered at the Sitges Film Festival.