Demon Seed
- Tahun: 1977
- Negara: United States of America
- Genre: Horror, Science Fiction
- Studio: Metro-Goldwyn-Mayer
- Kata kunci: man vs machine, rape, artificial intelligence (a.i.), computer, technology
- Pengarah: Donald Cammell
- Pelakon: Julie Christie, Fritz Weaver, Gerrit Graham, Berry Kroeger, Lisa Lu, Larry J. Blake