The 2018–19 Michigan State Spartans men's basketball team represented Michigan State University in the 2018–19 NCAA Division I men's basketball season. The Spartans were led by 24th-year head coach Tom Izzo and played their home games at Breslin Center in East Lansing, Michigan as members of the Big Ten Conference. Guard Cassius Winston was named the Big Ten Player of the Year, the ninth time a player in MSU history had received the award. Winston was also named to several All-American lists, including the AP and Sporting News first team.