| 1951 AAA Championship Car season | |
|---|---|
| AAA National Championship Trail | |
| Season | |
| Races | 15 |
| Start date | May 30 |
| End date | November 11 |
| Awards | |
| National champion |  Tony Bettenhausen |
| Indianapolis 500 winner | Lee Wallard |
The 1951 AAA Championship Car season consisted of 15 races, beginning in Speedway, Indiana on May 30 and concluding in San Mateo, California on November 11. There was also one non-championship event in Mechanicsburg, Pennsylvania. The AAA National Champion was Tony Bettenhausen, and the Indianapolis 500 winner was Lee Wallard.