The 2019–20 Iowa State Cyclones men's basketball team represented Iowa State University during the 2019–20 NCAA Division I men's basketball season.

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

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

[1] They lost to Ohio State in the first round of the NCAA tournament.

[2] Sources: Roster Last update: October 19, 2019