2018 San Diego State Aztecs football team

The 2018 San Diego State Aztecs football team represented San Diego State University in the 2018 NCAA Division I FBS football season. The Aztecs were led by eighth-year head coach Rocky Long and played their home games at SDCCU Stadium. San Diego State was a member of the Mountain West Conference in the West Division. They finished the season 7–6, 4–4 in Mountain West play to finish in fourth place in the West Division. They were invited to the Frisco Bowl where they lost to Ohio.

Recruits
The Aztecs signed a total of 24 recruits.

Award watch lists
Listed in the order that they were released

Mountain West media days
During the Mountain West media days held July 24–25 at the Cosmopolitan on the Las Vegas Strip, the Aztecs were predicted to finish in second place in the West Division.

Preseason All-Mountain West Team
The Aztecs had three players selected to the preseason all-Mountain West team.

Offense

Keith Ismael – OL

Tyler Roemer – OL

Defense

Tariq Thompson – DB