The 1990–91 Connecticut Huskies men's basketball team represented the University of Connecticut in the 1990–91 collegiate men's basketball season.
The Huskies completed the season with a 20–11 overall record.
The Huskies were members of the Big East Conference where they finished with a 9–7 record.
They made it to the Sweet Sixteen in the 1991 NCAA Division I men's basketball tournament.
The Huskies played their home games at Harry A. Gampel Pavilion in Storrs, Connecticut and the Hartford Civic Center in Hartford, Connecticut, and they were led by fifth-year head coach Jim Calhoun.