- Country: Spain
- Genres: Comedy
- Release: 1982-05-24
- Director: Francisco Lara Polop
- Writers: Antonio de Jaén , Francisco Lara Polop
- Language: Spanish
- Stars: Quique Camoiras , Charo López , Francisco Cecilio , Azucena Hernández , Manolo Codeso , Julia Martínez , Juan Carlos Naya , Alfonso Lussón , Beatriz Escudero , Cristina Cottrelli
- Runtime: 76 min
- Awards: N/A
- AKA: Adulterio nacional (Spain) , Adulterio nacional , National Adultery
- Plot: A man falls in love with his friend's wife and plots the different ways to get rid of his current wife and also his friend so he can have his new found love all to himself.
- IMDB:tt0081981
National Adultery Cast · · · ALL
Francisco Lara Polop
Director
Quique Camoiras
Agustín
Francisco Cecilio
Cesáreo
Charo López
Hortensia
Beatriz Escudero
Rosa
Azucena Hernández
Pura
Manolo Codeso
Santiago - portero
Julia Martínez
Felisa - portera
Juan Carlos Naya
Miguel
Alfonso Lussón
Pepe
Alejandra Grepi
Encarna
Miguel Rellán
Luis Lorenzo
Nino Bastida