Louis Allis Jr. (April 14, 1916, in Milwaukee, Wisconsin – March 26, 1994, in Scottsdale, Arizona) was an American politician and industrialist. Allis started working for the Louis Allis Company in the 1940s and served in the United States Army during World War II.
From December 16, 1954, until January 3, 1955, Louis Allis was Secretary of State of Wisconsin following the death of Fred R. Zimmerman who died in office.