グロテスク
- Tahun: 2009
- Negara: Japan
- Genre: Horror, Thriller
- Studio: Ace Deuce Entertainment, TORNADO FILM
- Kata kunci: sexual abuse, pain, sadism, sexual violence, mad doctor, chainsaw, torture, cruelty, splatter film, splatter, bizarre
- Pengarah: 白石晃士
- Pelakon: 川連廣明, Tsugumi Nagasawa, 大迫茂生