The Mephisto Waltz
- Annu: 1971
- Paese: United States of America
- Genre: Horror
- Studio: Quinn Martin Productions (QM), 20th Century Fox
- Parolla chjave: satanist, devil, incest, occult
- Direttore: Paul Wendkos
- Cast: Alan Alda, Jacqueline Bisset, Barbara Parkins, Bradford Dillman, William Windom, Curd Jürgens