La vie est un long fleuve tranquille
- År: 1988
- Land: France
- Genre: Komedie
- Studio: MK2 Films, CNC, France 3 Cinéma
- Nøgleord: class differences, twins, twins separated at birth, switched at birth, woman director
- Direktør: Étienne Chatiliez
- Cast: Benoît Magimel, Valérie Lalande, Catherine Hiegel, Daniel Gélin, Hélène Vincent, André Wilms