Alfred Erich Senn (April 12, 1932 – March 8, 2016) was a professor of history at the University of Wisconsin–Madison. Senn was born in Madison, Wisconsin, to Swiss philologist and lexicographer, . His father taught at the University of Lithuania, where he met his future wife. After they married, they moved to the United States in 1930 or 1931, along with two daughters.