The 1983 NASCAR Winston Cup Series was the 35th season of professional stock car racing in the United States and the 12th modern-era Cup series season. The season began on Sunday, February 20 and ended on Sunday, November 20. Bobby Allison was crowned Winston Cup champion at the end of the season finishing 47 points ahead of Darrell Waltrip.
(key) Bold – Pole position awarded by time. Italics – Pole position set by final practice results or 1982 Owner's points. * – Most laps led.
Sterling Marlin was named NASCAR Rookie of the Year. He beat Trevor Boys, Bobby Hillin Jr., Ronnie Hopkins, and Ken Ragan for the award. Of the drivers that competed for the award, only Marlin ran all 30 races. The closest a driver got to competing in all 30 races was Trevor Boys competing in 23 races (skipped rounds 1–6, and 8).