The Lost Mail Sack
- Blwyddyn: 1914
- Gwlad: United States of America
- Genre: Drama
- Stiwdio: General Film Company, Kalem Company
- Allweddair: partially lost film
- Cyfarwyddwr: J.P. McGowan
- Cast: Helen Holmes, George A. Williams, Jane Wolfe, Bert Hadley, A.E. Hammond
