Spencer Petras (born November 18, 1999) is an American college football quarterback for the Utah State Aggies.

During his time at Marin Catholic, Petras was 35–5 as a starter and led the school to three straight playoff appearances.

[1] During his senior season he led Marin Catholic to an 8–0 record while throwing for 4,157 yards and 50 touchdowns, the team went on to lose in the state's regional finals.

[5][6] Sources: In 2018, Petras was redshirted and saw action in two games that year as he backed up Nate Stanley.

[8] In 2019, Petras' redshirt freshman year he played in three games against Miami, Rutgers, and Middle Tennessee State.

[15] Petras was named as an honorable mention for the All-Big Ten All-Conference football team.

[16] In 2021, Petras was named to the Johnny Unitas Golden Arm Award Preseason Watch List.

22 Kentucky in the Citrus Bowl, Petras went 19 of 30 for 211 yards and one touchdown along with three interceptions in a 20–17 loss to end the Hawkeyes season.

[24] Petras' season ended after requiring surgery for his shoulder prior to the team's bowl game against Kentucky.

[28] In a season opening win against Robert Morris, Petras was injured and missed the following two games.

In week seven he set a Aggies single game record with 41 completions and 59 attempts for a career high 461 yards and three touchdowns in a loss to UNLV.