The 1923 AAA Championship Car season consisted of 8 races, beginning at Beverly Hills, California on February 25, 1923, and concluding at the same location on November 29, 1923. The AAA National Champion was Eddie Hearne, and the Indianapolis 500 winner was Tommy Milton.
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.