1991–92 Idaho Vandals men's basketball team

The 1991–92 Idaho Vandals men's basketball team represented the University of Idaho during the 1991–92 NCAA Division I men's basketball season. Members of the Big Sky Conference, the Vandals were led by second-year head coach Larry Eustachy and played their home games on campus at the Kibbie Dome in Moscow, Idaho.

The Vandals were 17–13 overall in the regular season and 10–6 in conference play, tied for third place in the league standings. At the conference tournament in Missoula, the Vandals defeated Boise State by nineteen points in the opening round, but lost to host Montana by seventeen in the semifinals.

Postseason results
!colspan=6 style=| Big Sky tournament