| Mode: | football |
| Year: | 2018 |
| Team: | Cal Poly Mustangs |
| Conference: | Big Sky Conference |
| Short Conf: | Big Sky |
| Record: | 5–6 |
| Conf Record: | 4–4 |
| Head Coach: | Tim Walsh |
| Hc Year: | 10th |
| Off Coach: | Jim Craft |
| Oc Year: | 1st |
| Def Coach: | Josh Brown |
| Dc Year: | 8th |
| Off Scheme: | Triple Option |
| Def Scheme: | 3-4 |
| Stadium: | Alex G. Spanos Stadium |
The 2018 Cal Poly Mustangs football team represented California Polytechnic State University in the 2018 NCAA Division I FCS football season. The Mustangs were led by tenth-year head coach Tim Walsh and played their home games at Alex G. Spanos Stadium. They were members of the Big Sky Conference. They finished the season 5–6, 4–4 in Big Sky play to finish in a tie for sixth place.
On July 16, 2018 during the Big Sky Kickoff in Spokane, Washington, the Mustangs were predicted to finish in tenth place in the coaches poll and eleventh place in the media poll.[1]
| 1 | Eastern Washington | 134 (6) | |
| 2 | Weber State | 124 (3) | |
| 3 | Northern Arizona | 121 (3) | |
| 4 | Idaho | 101 (1) | |
| 5 | Sacramento State | 94 | |
| 6 | Southern Utah | 91 | |
| 7 | Montana | 82 | |
| 8 | Montana State | 76 | |
| 9 | UC Davis | 64 | |
| 10 | Cal Poly | 40 | |
| 11 | Northern Colorado | 30 | |
| 12 | Idaho State | 29 | |
| 13 | Portland State | 21 |
| 1 | Eastern Washington | 651 (27) | |
| 2 | Weber State | 636 (19) | |
| 3 | Northern Arizona | 535 (1) | |
| 4 | Montana | 496 (2) | |
| 5 | Idaho | 483 (3) | |
| 6 | Southern Utah | 449 (1) | |
| 7 | Sacramento State | 415 | |
| 8 | Montana State | 391 (1) | |
| 9 | UC Davis | 331 (1) | |
| 10 | Idaho State | 170 | |
| 11 | Cal Poly | 169 | |
| 12 | Northern Colorado | 166 | |
| 13 | Portland State | 103 |
The Mustangs had one player selected to the Preseason All-Conference Team.[2]
Joe Protheroe – Sr. FB
Despite also being a member of the Big Sky, the game vs. Weber State will be a non-conference game and will have no effect on the Big Sky standings.
See also: 2018 North Dakota State Bison football team.
See also: 2018 Weber State Wildcats football team.
See also: 2018 Brown Bears football team.
See also: 2018 Eastern Washington Eagles football team.
See also: 2018 Montana Grizzlies football team.
See also: 2018 Sacramento State Hornets football team.
See also: 2018 UC Davis Aggies football team and Battle for the Golden Horseshoe.
See also: 2018 Northern Arizona Lumberjacks football team.
See also: 2018 Montana State Bobcats football team.
See also: 2018 Idaho State Bengals football team.
See also: 2018 Southern Utah Thunderbirds football team.