William John Vukovich III (August 31, 1963, Fresno, California, United States – November 25, 1990, Bakersfield, California, United States) was an American race car driver. He was a three-time starter of the Indianapolis 500. The grandson of two-time Indianapolis 500 winner Bill Vukovich and the son of Bill Vukovich II, Vukovich III was the 1988 Indianapolis 500 Rookie of the Year. Billy Vukovich III was killed in practice for a CRA race at Mesa Marin Raceway, in Bakersfield, California, when his throttle stuck open which caused his car to swerve into the wall. He was 27 years old.