The 1980–81 Michigan State Spartans men's basketball team represented Michigan State University in the 1980–81 NCAA Division I men's basketball season. The team played their home games at Jenison Field House in East Lansing, Michigan and were members of the Big Ten Conference. They were coached by Jud Heathcote in his fifth year at Michigan State. The Spartans finished with a record of 13–14, 7–11 to finish in eighth place in Big Ten play.