Mary
- taona: 1931
- Firenena: United Kingdom, Germany
- Genre: Mystery, Crime, Thriller
- Studio: British International Pictures, Südfilm
- Keyword: black and white
- tale: Alfred Hitchcock
- Cast: Alfred Abel, Olga Tschechowa, Paul Graetz, Lotte Stein, Ekkehard Arendt, Jack Mylong-Münz