Mrs. O'Malley and Mr. Malone
- taona: 1950
- Firenena: United States of America
- Genre: Mystery, Comedy
- Studio: Metro-Goldwyn-Mayer
- Keyword: murder, train, railroad, screwball comedy
- tale: Norman Taurog
- Cast: Marjorie Main, James Whitmore, Ann Dvorak, Phyllis Kirk, Fred Clark, Dorothy Malone