William Tecumseh Wilson (October 6, 1823 – June 5, 1905) was an American Union brevet brigadier general during the period of the American Civil War. He served with the 15th Ohio Volunteer Infantry and the 123rd Ohio Volunteer Infantry. Wilson was captured near the end of the war at the Battle of High Bridge on April 6, 1865. He received a brevet promotion to brigadier general dated to March 13, 1865.