666: In Bed with the Devil
- Year: 2002
- Country: Germany
- Genre: Comedy, Fantasy
- Studio: Engram Pictures, Constantin Film
- Keyword: girlfriend, pact with the devil, faust, demon
- Director: Rainer Matsutani
- Cast: Jan Josef Liefers, Armin Rohde, Sonsee Neu, Ralf Bauer, Thure Riefenstein, Mariella Ahrens