| Year: | 2020 |
| Team: | Idaho Vandals |
| Sport: | football |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Record: | 2–4 |
| Conf Record: | 2–4 |
| Head Coach: | Paul Petrino |
| Hc Year: | 8th |
| Off Coach: | Kris Cinkovich |
| Oc Year: | 8th |
| Off Scheme: | Multiple |
| Def Coach: | Mike Breske |
| Dc Year: | 6th |
| Def Scheme: | Multiple 3–4 |
| Stadium: | Kibbie Dome |
The 2020 Idaho Vandals football team represented the University of Idaho as a member of the Big Sky Conference during the 2020–21 NCAA Division I FCS football season. Led by seventh-year head coach Paul Petrino, the Vandals played their home games on campus at the Kibbie Dome in Moscow, Idaho. Due to the COVID-19 pandemic, the season was delayed and started in late February 2021.
On July 23, 2020, during the virtual Big Sky Kickoff, the Vandals were predicted to finish ninth in the Big Sky by the coaches and eighth by the media.[1]
| 1 | Weber State | 135 (7) | |
| 2 | Montana | 128 (3) | |
| 3 | Montana State | 121 (1) | |
| 4 | Eastern Washington | 118 (1) | |
| 5 | Sacramento State | 99 (1) | |
| 6 | UC Davis | 83 | |
| 7 | Northern Arizona | 68 | |
| 8 | Portland State | 67 | |
| 9 | Idaho | 66 | |
| 10 | Cal Poly | 46 | |
| 11 | Idaho State | 37 | |
| 12 | Southern Utah | 33 | |
| 13 | Northern Colorado | 13 |
| 1 | Weber State | 546 (28) | |
| 2 | Montana | 496 (8) | |
| 3 | Montana State | 493 (6) | |
| 4 | Eastern Washington | 438 (1) | |
| 5 | Sacramento State | 389 | |
| 6 | UC Davis | 325 (1) | |
| 7 | Portland State | 274 | |
| 8 | Idaho | 273 | |
| 9 | Northern Arizona | 238 | |
| 10 | Cal Poly | 206 | |
| 11 | Idaho State | 133 | |
| 12 | Southern Utah | 105 | |
| 13 | Northern Colorado | 88 |
Idaho released their full schedule on November 7, 2019.[2] The Vandals had games scheduled against and Washington State, which were later canceled before the start of the 2020 season.[3] [4]
Due to the COVID-19 pandemic, the season was delayed and started in late February 2021.