The 2020–21 Michigan State Spartans men's basketball team represented Michigan State University in the 2020–21 NCAA Division I men's basketball season. The Spartans were led by 26th-year head coach Tom Izzo and played their home games at Breslin Center in East Lansing, Michigan as members of the Big Ten Conference. With Duke failing to make the NCAA tournament, Izzo took over the streak for the longest consecutive appearances in the tournament by a coach with 23.