The Monster of London City () is a 1964 West German krimi crime film directed by Edwin Zbonek and starring Hansjörg Felmy, Marianne Koch, and Dietmar Schönherr.
The film's sets were designed by the art directors Hans Jürgen Kiebach and Ernst Schomer. It was shot at the Spandau Studios in Berlin and on location around London.
A series of Jack the Ripper-style murders takes place in contemporary London, leaving Scotland Yard baffled. Coincidentally, a new play about Jack the Ripper is opening in London at the same time, and the lead actor who plays Jack becomes a suspect in the real-life killings.