The 1961 USAC Road Racing Championship season was the fourth season of the USAC Road Racing Championship. It began June 25, 1961, and ended October 22, 1961, after four races. Ken Miles won the season championship.
| Rnd | Race | Length | Circuit | Location | Date | |
|---|---|---|---|---|---|---|
| 1 | Hoosier Grand Prix | 200miles | Indianapolis Raceway Park | Clermont, Indiana | June 25 | |
| 2 | Continental Divide 200 | 200miles | Continental Divide Raceway | Castle Rock, Colorado | July 2 | |
| 3 | Grand Prix for Sports Cars | 200miles | Riverside International Raceway | Riverside, California | October 15 | |
| 4 | San Francisco Examiner Pacific Grand Prix | 200miles | Laguna Seca Raceway | Monterey, California | October 22 |
| Rnd | Circuit | Winning Team | Results |
|---|---|---|---|
| Winning Driver(s) | |||
| 1 | IRP |
| Results |
 Augie Pabst | |||
| 2 | Castle Rock |
| Results |
 Ken Miles | |||
| 3 | Riverside | Results | |
 Jack Brabham | |||
| 4 | Laguna Seca |
| Results |
| Stirling Moss |