William Whann Mackall was a Seminole Wars veteran, Mexican–American War veteran and Confederate States Army brigadier general during the American Civil War. He was a United States Army officer for 24 years before he resigned his commission in order to join the Confederate Army. After the Civil War, he was a farmer in Fairfax County, Virginia.
- Occupation
- military leader
- Citizenship
- United States
- Born
- January 18, 1817
- Died
- August 12, 1891