Jack Cornett is a former NASCAR driver from Somerset, KY. He competed in two Busch Series events in his career.
Cornett's first race came in 1982, when he competed at ORP. Starting positions in the field of thirty are unknown, but Cornett fell twenty-one laps down in the race in route to a midpack 18th place finish.
Cornett was unable to improve in his other start, competing at Bristol in 1983. Starting last (30th) in the race, Cornett only completed forty laps of the event before falling out and finishing 24th.