En folkefiende
- An: 2005
- Pays: Norway
- Genre: Drame, Histoire
- Studio: Nordisk Film Denmark
- Mot-clé: pollution, based on play or musical, family conflict, conservation
- Réalisateur: Erik Skjoldbjærg
- Jeter: Jørgen Langhelle, Pia Tjelta, Sven Nordin, Trine Wiggen, Per Jansen, Espen Reboli Bjerke