- Source: 1915 Southern Intercollegiate Athletic Association football season
- 1915 Southern Intercollegiate Athletic Association football season
- Southern Intercollegiate Athletic Association
- Southern California Intercollegiate Athletic Conference
- 1916 Southern Intercollegiate Athletic Association football season
- 1914 Southern Intercollegiate Athletic Association football season
- Mid-America Intercollegiate Athletics Association
- 1915 LSU Tigers football team
- South Atlantic Intercollegiate Athletic Association
- 1915 Florida Gators football team
- 1915 Vanderbilt Commodores football team
The 1915 Southern Intercollegiate Athletic Association football season was the college football games played by the member schools of the Southern Intercollegiate Athletic Association as part of the 1915 college football season. The season began on September 25.
Seven out of eight newspapers voted the SIAA championship to the Vanderbilt Commodores. The Atlanta Constitution declared it a tie between Vanderbilt and Georgia Tech, which was then independent. However, Tech challenged Vandy's championship.
Regular season
SIAA teams in bold.
= Week One
== Week Two
== Week Three
== Week Four
== Week Five
== Week Six
== Week Seven
== Week Eight
== Week Nine
== Week Ten
=Awards and honors
= All-Americans
=T - Bully Van de Graaff, Alabama (WC-2; PD-1)
T - Josh Cody, Vanderbilt (WC-3)
G - Baby Taylor, Auburn (WC-3)
= All-Southern team
=The composite All-Southern team selected by ten sports writers and coaches included: