The 2017–18 Indiana State Sycamores basketball team represented Indiana State University during the 2017–18 NCAA Division I men's basketball season.

The Sycamores, led by eighth-year head coach Greg Lansing, played their home games at the Hulman Center in Terre Haute, Indiana as members of the Missouri Valley Conference.

They lost in the first round of the Missouri Valley Conference tournament to Evansville.

[1] Sources: In the conference's preseason poll, the Sycamores were picked to finish in eighth place in the MVC.

[2] Senior guard Brenton Scott was named to the preseason All-MVC first team.