Un beau monstre
- Tahun: 1971
- Negara: Italy, France
- Genre: Thriller, Drama, Romance
- Studio: Mega Film, Paris-Cannes Productions
- Kata kunci: husband wife relationship, based on novel or book, murder, driven mad, sexual relationship
- Pengarah: Sergio Gobbi
- Pelakon: Virna Lisi, Helmut Berger, Charles Aznavour, Alain Noury, Françoise Brion, Édith Scob