The Postman Always Rings Twice
- Blwyddyn: 1946
- Gwlad: United States of America
- Genre: Drama, Romance, Crime, Thriller
- Stiwdio: Metro-Goldwyn-Mayer
- Allweddair: infidelity, based on novel or book, diner, femme fatale, film noir, murder, black and white, drifter, crime of passion, adulterous wife, wife and lover kill husband
- Cyfarwyddwr: Tay Garnett
- Cast: John Garfield, Lana Turner, Cecil Kellaway, Hume Cronyn, Leon Ames, Audrey Totter