| 1957 USAC Championship Car season | |
|---|---|
| USAC National Championship Trail | |
| Season | |
| Races | 13 |
| Start date | May 30 |
| End date | November 11 |
| Awards | |
| National champion |  Jimmy Bryan |
| Indianapolis 500 winner | Sam Hanks |
The 1957 USAC Championship Car season consisted of 13 races, beginning in Speedway, Indiana on May 30 and concluding in Phoenix, Arizona on November 11. There were also five non-championship events. The USAC National Champion was Jimmy Bryan and the Indianapolis 500 winner was Sam Hanks. Keith Andrews was killed in crash while practicing for the Indianapolis 500; he was 36 years old.