The 1931 Wisconsin Badgers football team was an American football team that represented the University of Wisconsin in the 1931 Big Ten Conference football season. The team compiled a 5–4–1 record (3–3 against conference opponents), finished in sixth place in the Big Ten Conference, and was outscored by all opponents by a combined total of 110 to 104. Glenn Thistlethwaite was in his fifth and final year as Wisconsin's head coach. Tackle Harold Smith was selected as the team's most valuable player. Smith was also the team captain.