The 1969–70 Michigan State Spartans men's basketball team represented Michigan State University in the as members of the Big Ten Conference. They played their home games at Jenison Fieldhouse in East Lansing, Michigan and were coached by Gus Ganakas in his first year as head coach of the Spartans. The Spartans finished the season 9–15, 5–9 in Big Ten play to finish in a three-way tie for sixth place.