La Habitación de Fermat
- annos singulos: 2007
- Patriam: Spain
- genus: Mystery, Thriller
- Studio: BocaBoca Producciones, Notro Films
- keyword: riddle, mathematics, mathematician, genius, room, murder, hospital, trapped, death game
- Director: Rodrigo Sopeña, Luis Piedrahita
- cast: Lluís Homar, Santi Millán, Alejo Sauras, Federico Luppi, Elena Ballesteros, Helena Carrión