40 Days and 40 Nights
- Taon: 2002
- Bansa: United States of America, France, United Kingdom
- Genre: Comedy, Romance
- Studio: Miramax, Universal Pictures, Working Title Films, StudioCanal, Milo Productions, Working Title Films
- Keyword: celibacy, sex addiction, laundromat, rape of a male, break-up, commitment, sex comedy, vow of celibacy
- Direktor: Michael Lehmann
- Cast: Josh Hartnett, Shannyn Sossamon, Paulo Costanzo, Vinessa Shaw, Maggie Gyllenhaal, Adam Trese