The 1915 LSU Tigers football team represented the University of Louisiana as a member of the Southern Intercollegiate Athletic Association (SIAA) during the 1915 college football season. Led by second-year head coach E. T. McDonald, the Tigers compiled an overall record of 6–2, with a mark of 4–0 in conference play, and finished third in the SIAA. LSU played home games at State Field in Baton Rouge, Louisiana.

The 1914 LSU Tigers football team represented the University of Louisiana as a member of the Southern Intercollegiate Athletic Association (SIAA) during the 1914 college football season. Led by first-year head coach E. T. McDonald, the Tigers compiled an overall record of 4–4–1, with a mark of 1–2–1 in conference play, and finished 12th in the SIAA. LSU played home games at State Field in Baton Rouge, Louisiana.