Dag och natt
- År: 2004
- Land: Denmark, Sweden
- Genre: Drama
- Studio: Sonet Film AB, Film i Väst, Hepp Film, Zentropa Entertainments
- Nøgleord: suicide, mother, childhood trauma, sister, alcoholism, mistress, illegal prostitution
- Direktør: Simon Staho
- Cast: Mikael Persbrandt, Maria Bonnevie, Sam Kessel, Tuva Novotny, Michael Nyqvist, Fares Fares