The 1994 NASCAR Winston Cup Series was the 46th season of NASCAR professional stock car racing in the United States and the 23rd modern-era Cup series. The season began on Sunday, February 20, and ended on Sunday, November 13. Dale Earnhardt of Richard Childress Racing was crowned champion at season's end, winning consecutive Winston Cups for the third time in his career and tying Richard Petty for the record of most top-level NASCAR championships with seven. It was also the 7th and final NASCAR Winston Cup Series Championship for Dale Earnhardt before his death 7 years later in 2001, this was also the final season for 18-time Winston Cup winner Harry Gant.

In motorsports, a tire war occurs when more than one manufacturer provides tires for a motorsports series. Historically, tire wars have occurred in many high-level series, such as Formula One, NASCAR, Super GT, and MotoGP.