Der Janus-Kopf
- Annu: 1920
- Paese: Germany
- Genre: Horror, Science Fiction, Drama
- Studio: Lipow-Film, Decla-Bioscop
- Parolla chjave: double life, jekyll and hyde
- Direttore: F. W. Murnau
- Cast: Conrad Veidt, Magnus Stifter, Margarete Schlegel, Willy Kaiser-Heyl, Bela Lugosi, Margarete Kupfer
