The 1925 San Diego State Aztecs football team represented San Diego State Teachers College[note 1] during the 1925 college football season.
San Diego State competed as an independent in 1925, after having been a member of the Southern California Junior College Conference (SCJCC) since they started playing in 1921.
They became a member of the Southern California Intercollegiate Athletic Conference (SCIAC) in 1926.
The yearbook "Del Sudoeste" published at the end of the 1924–25 school year notes that January 6, 1925 was the date that "Berry, Schellbach and Osenburg christen college 'Aztecs' ".
[note 2] They played home games at both Balboa Stadium and at a field on campus.