La Habitación de Fermat
- An: 2007
- Țară: Spain
- Gen: Mister, Thriller
- Studio: BocaBoca Producciones, Notro Films
- Cuvânt cheie: riddle, mathematics, mathematician, genius, room, murder, hospital, trapped, death game
- Director: Luis Piedrahita, Rodrigo Sopeña
- Distribuție: Lluís Homar, Santi Millán, Alejo Sauras, Federico Luppi, Elena Ballesteros, Helena Carrión