The 2013 Big Ten men's basketball tournament was held from March 14 through March 17 at United Center in Chicago, Illinois. The tournament was the sixteenth annual Big Ten men's basketball tournament and second to feature 12 teams. The championship was won by Ohio State who defeated Wisconsin in the championship game. As a result, Ohio State received the Big Ten's automatic bid to the NCAA tournament. The win marked Ohio State's fifth tournament championship, though one championship has since been vacated.