The 1970–71 Idaho State Bengals men's basketball team represented Idaho State University during the 1970–71 NCAA University Division basketball season.

Led by fourth-year head coach Dan Miller, the Bengals played their home games on campus at the new ISU Minidome in Pocatello.

Idaho State finished the regular season at 9–15 overall, with a 7–7 record in the Big Sky Conference.

[1] Senior guard Willie Humes averaged over 34 points per game and was again unanimously selected to the all-conference team.

[2][3] Miller was dismissed after the season in March, succeeded by Jim Killingsworth, the head coach for seven seasons at Cerritos College in southern California, where he compiled a 157–46 (.773) record and led the Falcons to the 1968 California junior college championship.