The 1931 AAA Championship Car season consisted of seven races, beginning in Speedway, Indiana on May 30 and concluding in Syracuse, New York on September 12. There was one non-championship race. The AAA National Champion and Indianapolis 500 winner was Louis Schneider.
Joe Caccia and his driving mechanic Clarence Grover died at Indianapolis during practice. Jimmy Gleason died at Syracuse during practice.
All races running on Dirt/Brick/Board Oval.
Note: Drivers had to be running at the finish to score points. Points scored by drivers sharing a ride were split according to percentage of race driven. Starters were not allowed to score points as relief drivers, if a race starter finished the race in another car, in a points scoring position, those points were awarded to the driver who had started the car.<br> The final standings based on reference.