| William E. Hart | |
| Birth Date: | 1843 |
| Birth Place: | Rushville, New York |
| Death Place: | Champlain Canal, Mechanicville, New York |
| Placeofburial Label: | Place of burial |
| Allegiance: | United States |
| Branch: | United States Army Union Army |
| Rank: | Corporal |
| Serviceyears: | 1861 - 1865 |
| Unit: | Company B,8th New York Volunteer Cavalry Regiment |
| Battles: | American Civil War Valley Campaigns of 1864 & 1865 |
| Awards: | Medal of Honor |
William E. Hart (1843 - October 21, 1874) was a Union Army soldier during the American Civil War. He received the Medal of Honor for gallantry during the Valley Campaigns of 1864 & 1865. Hart was instrumental in the capture of Confederate cavalry raider Colonel Harry Gilmor on February 4, 1865.
Hart enlisted in the Army from Rushville, New York in October 1861, and mustered out with his regiment in June 1865.[1]
"The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to Private William E. Hart, United States Army, for extraordinary heroism on 1864 & 1865, while serving with Company B, 8th New York Cavalry, in action at Shenandoah Valley, Virginia, for gallant conduct and services as scout in connection with capture of the guerrilla Harry Gilmore."