2021 Idaho State Bengals football team

The 2021 Idaho State Bengals football team represented Idaho State University in the Big Sky Conference during the 2021 NCAA Division I FCS football season. Led by fifth-year head coach Rob Phenicie, the Bengals finished at 1–10 (1–7 in Big Sky, twelfth) and played their home games on campus at Holt Arena in Pocatello, Idaho.

After being shut out at home by intrastate rival Idaho in the season finale on November 20, Phenicie was fired with a cumulative record of .310.

Polls
On July 26, 2021, during the virtual Big Sky Kickoff, the Bengals were predicted to finish ninth in the Big Sky by both the coaches and media.

Preseason All–Big Sky team
The Bengals had one player selected to the preseason all-Big Sky team.

Offense

Tanner Conner – WR