Phenomena
- Taon: 1985
- Bansa: Italy
- Genre: Horror, Thriller
- Studio: DACFILM Rome
- Keyword: daughter, insect, boarding school, psychopath, telepathy, detective, switzerland, girls' boarding school, murder, serial killer, teenage girl, school, maniac, american abroad, chimpanzee, murder investigation, sleepwalking, recurring dream, sanitorium, swiss, entomologist, maggots, flies, service animal, animals & nature, fly
- Direktor: Dario Argento
- Cast: Jennifer Connelly, Daria Nicolodi, Fiore Argento, Federica Mastroianni, Fiorenza Tessari, Dalila Di Lazzaro