1931 BYU Cougars football team

The 1931 BYU Cougars football team was an American football team that represented Brigham Young University (BYU) as a member of the Rocky Mountain Conference (RMC) during the 1931 college football season. In their fourth season under head coach G. Ott Romney, the Cougars compiled an overall record of 4–4 with a mark of 2–3 against conference opponents, finished seventh in the RMC, and were outscored by a total of 104 to 69.