La Habitación de Fermat
- Taon: 2007
- Bansa: Spain
- Genre: Mystery, Thriller
- Studio: BocaBoca Producciones, Notro Films
- Keyword: riddle, mathematics, mathematician, genius, room, murder, hospital, trapped, death game
- Direktor: Luis Piedrahita, Rodrigo Sopeña
- Cast: Lluís Homar, Santi Millán, Alejo Sauras, Federico Luppi, Elena Ballesteros, Helena Carrión