William Venturini (born February 14, 1953), nicknamed "Big Bill",[1] is an American former professional stock car racing driver.

He is the founder and co-owner of Venturini Motorsports, a team that competes in the ARCA Menards Series.

In 1983, Venturini won his first ARCA race at Flat Rock Speedway and at the end of the season he became rookie of the year and finished runner-up to Bob Dotter.

Venturini made his last ARCA Racing Series start at the season finale at Atlanta in 1996.

During his ARCA Racing Series career Venturini set the all-time qualifying records at Daytona International Speedway and Talladega Superspeedway.

Bill, his wife Cathy, and his son Billy, also a retired driver, are the co-owners of Venturini Motorsports,[1] a team which competes full-time with three cars in the ARCA Menards Series (Nos.

Venturini's wife Cathy was part of his pit crew during his championship winning season in 1987.

His daughter Wendy currently works in NASCAR as a radio reporter for the Performance Racing Network and formerly on TV for Speed and Fox as well.