The 2011–12 Michigan State Spartans men's basketball team represented Michigan State University in the 2011–12 NCAA Division I men's basketball season. The Spartans' head coach was Tom Izzo, who was in his 17th year at Michigan State. The team played its home games at the Breslin Center in East Lansing, Michigan, and were members of the Big Ten Conference. MSU finished with a record of 29–8, 13–5 in Big Ten play to finish in a three-way tie for first place. The Spartans also won the Big Ten tournament. The Spartans received a No. 1 seed in the NCAA tournament, their 15th consecutive trip to the Tournament, and reached the Sweet Sixteen, losing to Louisville.