Duncan Stephen Walker

Duncan Stephen Walker (November 11, 1841 – June 3, 1912) was an American Union brevet brigadier general during the period of the American Civil War. He was educated at Georgetown University, Lafayette College, and Princeton University, and served as an assistant adjutant-general during the war. He received his appointment as brevet brigadier general dated to March 13, 1865.

He was the great-great-grandson of Benjamin Franklin.