The Trial of Mary Dugan
- Blwyddyn: 1929
- Gwlad: United States of America
- Genre: Drama
- Stiwdio: Metro-Goldwyn-Mayer
- Allweddair: trial, lawyer
- Cyfarwyddwr: Bayard Veiller
- Cast: Norma Shearer, Lewis Stone, H.B. Warner, Raymond Hackett, Lilyan Tashman, Olive Tell