Robert Lees (July 3, 1842 – September 21, 1908) was a Scottish American immigrant, lawyer, judge, and Democratic politician. He served four years in the Wisconsin State Senate and one year in the State Assembly, and served as county judge of Buffalo County, Wisconsin, for the last 27 years of his life. During the American Civil War, he served in the famous Iron Brigade of the Army of the Potomac and was badly wounded at the Battle of Gettysburg.