- Source: 1931 San Diego State Aztecs football team
- 1931 San Diego State Aztecs football team
- San Diego State Aztecs football
- San Diego State Aztecs
- San Diego State University
- 1932 San Diego State Aztecs football team
- 1930 San Diego State Aztecs football team
- Fresno State–San Diego State football rivalry
- List of San Diego State Aztecs football seasons
- San Diego
- 1931 San Diego Marines Devil Dogs football team
The 1931 San Diego State Aztecs football team represented San Diego State Teachers College during the 1931 NCAA football season.
San Diego State competed in the Southern California Conference (SCC). The 1931 San Diego State team was led by head coach Walter Herreid in his second season with the Aztecs. They played home games at Navy "Sports" Field. The Aztecs finished the season with five wins, three losses and two ties (5–3–2, 2–2–1 SCC). Overall, the team outscored its opponents 71–45 points for the season. This included shutting out their opponents six times and being shut out three times.