The Greatest Power
- Blwyddyn: 1917
- Gwlad: United States of America
- Genre: Drama
- Stiwdio: Rolfe Photoplays
- Allweddair: lost film
- Cyfarwyddwr: Edwin Carewe, Edward LeSaint
- Cast: Ethel Barrymore, William B. Davidson, Harry Northrup, Frank Currier, William Black, Cecil Owen
