Jack Sprague (born August 8, 1964) is an American racing driver who has competed in all of NASCAR's three top divisions, most notably in the Camping World Truck Series. Sprague has finished in the Top 10 in the points standings in almost every year while in the Trucks Series, winning three championships in 1997, 1999, and 2001 while driving for Hendrick Motorsports. He is currently a free agent, last driving for Wyler Racing.

Sprague was born in Spring Lake, Michigan, and began racing street stock cars at local short tracks. After winning the track championships at Thunderbird Raceway and later Winston Raceway, Sprague began racing in the NASCAR Winston Racing Series, in its North Carolina Late Model Division competition. He won the Big Ten Championship at Concord Motorsports Park, and won more than 30 Late Model Races. Eventually, he won the NASCAR Winston Racing Series championship at Concord Motorsports Park.

Sprague finished first in the inaugural race of the NASCAR Sportsman Division at Charlotte Motor Speedway in 1989, but was disqualified in post-race inspection, giving the win to Tim Bender.

Sprague made his Busch Series debut in 1989 at Charlotte Motor Speedway. Driving the No. 78 Griffin Racing Chevrolet, he qualified 28th but finished 41st after suffering engine failure early in the race. After a 40th-place finish at the Goody's 300 for Pucci & Associaties, Sprague moved up to drive the No. 34 Keystone Beer car for Frank Cicci Racing in 1990. He competed in nineteen races and had a best finish of sixth at Orange County Speedway. The following season, Sprague competed in seven races, driving the No. 48 Staff America Oldsmobile. He won his first career pole at Charlotte. He continued to drive the car in 1992, where he had a second-place finish at New River Valley Speedway. He finished 24th in the final standings.

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