Le Doulos
- Jier: 1962
- Lân: France, Italy
- Sjenre: Drama, Thriller, Crime
- Studio: Rome-Paris Films, C. C. Champion
- Keyword: jazz singer or musician, betrayal, weasel, french noir, betrayal by friend, belmondo, betrayed by a friend
- Direkteur: Jean-Pierre Melville
- Cast: Jean-Paul Belmondo, Serge Reggiani, Jean Desailly, René Lefèvre, Marcel Cuvelier, Philippe March