Harmonia
- taona: 1970
- Firenena: United Kingdom, United States of America
- Genre: Drama, Thriller
- Studio: Embankment Films, New Native Pictures, Sight Unseen Pictures
- Keyword: cult, based on true story, 1980s
- tale: Guy Nattiv
- Cast: Naomi Watts, Vicky Krieps, Odessa Young, Bella Ramsey
