The Lost Mail Sack
- År: 1914
- Land: United States of America
- Sjanger: Drama
- Ettromsleilighet: General Film Company, Kalem Company
- Nøkkelord: partially lost film
- Regissør: J.P. McGowan
- Cast: Helen Holmes, George A. Williams, Jane Wolfe, Bert Hadley, A.E. Hammond
