1989–90 Iowa State Cyclones men's basketball team

1989–90 Iowa State Cyclones men's basketball
ConferenceBig Eight Conference
Record10-18 (4-10 Big Eight)
Head coach
Home arenaHilton Coliseum
1989–90 Big Eight Conference men's basketball standings
Conf. Overall
Team W   L   PCT W   L   PCT
No. 11 Missouri 12 2   .857 26 6   .813
No. 1 Oklahoma 11 3   .786 27 5   .844
No. 5 Kansas 11 3   .786 30 5   .857
Kansas State 7 7   .500 17 15   .531
Oklahoma State 6 8   .429 17 14   .548
Iowa State 4 10   .286 10 18   .357
Nebraska 3 11   .214 10 18   .357
Colorado 2 12   .143 12 18   .400
1990 Big Eight tournament winner
As of March 3, 2012
Rankings from AP poll

The 1989–90 Iowa State Cyclones men's basketball team represented Iowa State University during the 1989–90 NCAA Division I men's basketball season. The Cyclones were coached by Johnny Orr, who was in his 10th season. They played their home games at Hilton Coliseum in Ames, Iowa.

They finished the season 10–18, 4–10 in Big Eight play to finish in sixth place. They lost to third-seeded Kansas in the 1990 Big Eight conference tournament quarterfinals.

Games were televised by ESPN, Raycom Sports, and the Cyclone Television Network.