1931 Louisville Cardinals football team

The 1931 Louisville Cardinals football team was an American football team that represented the University of Louisville as a member of the Southern Intercollegiate Athletic Association (SIAA) during the 1931 college football season. In their first and only season under head coach Jack McGrath, the Cardinals compiled a 0–8 record.

Louisville's 1931 season was the start of a 24-game losing streak that ended on November 18, 1933, with a 13–7 victory over.