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

The Cyclones were coached by Steve Prohm, who was in his third season at Iowa State.

They played their home games at Hilton Coliseum in Ames, Iowa as members of the Big 12 Conference.

They defeated Oklahoma State, TCU, and West Virginia to win the Big 12 Conference tournament.

[2] As a result, they earned the conference's automatic bid to the NCAA tournament as a No.