The 2020–21 Wisconsin Badgers men's basketball team represented the University of Wisconsin–Madison in the 2020–21 NCAA Division I men's basketball season.

The Badgers were led by sixth-year head coach Greg Gard and played their home games at the Kohl Center in Madison, Wisconsin as members of the Big Ten Conference.

6 seed in the Big Ten tournament, they defeated Penn State before losing to Iowa in the quarterfinals.

The Badgers finished the 2019–20 season 21–10, 14–6 in Big Ten play to finish tied for first place winning them a share of the Big Ten championship.

[1] The 2020 Big Ten men's basketball tournament and 2020 NCAA Division I men's basketball tournament were cancelled due to the COVID-19 pandemic.