The 1980 NASCAR Winston Cup Series was the 32nd season of professional stock car racing in the United States and the 9th modern-era NASCAR Cup season.
Dale Earnhardt won his first Winston Cup championship, winning by 19 points over Cale Yarborough.
Jody Ridley was crowned NASCAR Rookie of the Year.
Oldsmobile Cutlass Oldsmobile Cutlass 1 Chevrolet Monte Carlo Oldsmobile Cutlass Buick Century Chevrolet Monte Carlo (key) Bold – Pole position awarded by time.
Italics – Pole position set by owner's points.