2021 Portland State Vikings football team

The 2021 Portland State Vikings football team represented Portland State University as a member of the Big Sky Conference during the 2021 NCAA Division I FCS football season. Led by seventh-year head coach Bruce Barnum, they played their home games at Hillsboro Stadium in Portland, Oregon.

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

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

Defense

Anthony Adams – S