| William A. Clark | |
| Birth Date: | 24 July 1828 |
| Birth Place: | Pennsylvania |
| Death Place: | Shelbyville, Minnesota |
| Placeofburial: | Nicollet, Minnesota |
| Placeofburial Label: | Place of burial |
| Serviceyears: | 1861–1865 |
| Rank: | Corporal |
| Unit: | 2nd Regiment Minnesota Volunteer Infantry |
| Battles: | American Civil War |
| Awards: | Medal of Honor |
| Laterwork: | lawyer, judge, politician |
Corporal William A. Clark (July 24, 1828 – January 9, 1916) was an American soldier of the Civil War who, during a battle at Nolensville, Tennessee on 15 February 1863, successfully defended a wagon train. For his actions he earned the Medal of Honor. He served with the 2nd Minnesota Volunteer Infantry Regiment.[1] He was born in Pennsylvania, lived in Shelbyville and is buried in Nicollet, Minnesota.[2]