The 2020–21 Northwestern Wildcats men's basketball team represented Northwestern University in the 2020–21 NCAA Division I men's basketball season.

They were led by eighth-year head coach Chris Collins, the Wildcats played their home games at Welsh-Ryan Arena in Evanston, Illinois as members of the Big Ten Conference.

The Wildcats finished the 2019–20 season 8–22, 3–17 to finish in 13th place in Big Ten play.

They lost in the first round of the Big Ten tournament to Minnesota.

[1] Roster Last update: April 9, 2021 *AP does not release post-NCAA Tournament rankings^Coaches did not release a Week 1 poll.