1990–91 Utah Utes men's basketball team

The 1990–91 Utah Utes men's basketball team represented the University of Utah as a member of the Western Athletic Conference during the 1990–91 men's basketball season. Led by head coach Rick Majerus, the Utes made a run to the Sweet Sixteen of the NCAA tournament before falling to unbeaten UNLV in the West regional semifinals. The Utes finished with an overall record of 30–4 (15–1 WAC).

Schedule and results
!colspan=9 style= | Non-conference regular season

!colspan=9 style= | WAC regular season

!colspan=9 style= | WAC Tournament

!colspan=9 style= | NCAA Tournament

Awards and honors

 * Josh Grant – WAC Player of the Year