The 2017–18 Michigan State Spartans women's basketball team represented Michigan State University during the 2017–18 NCAA Division I women's basketball season.

The Spartans, led by 11th-year head coach Suzy Merchant, played their home games at the Breslin Center in East Lansing, Michigan as members of the Big Ten Conference.

They lost in the second round of the Big Ten women's tournament to Indiana.

They received an at-large bid to the Women's National Invitation Tournament where they defeated Cincinnati and Toledo before losing to South Dakota in the third round.

In the Big Ten tournament, they beat Wisconsin and Michigan before losing in the semifinals to Maryland.