The 2014 NASCAR Nationwide Series was the 33rd season of the NASCAR Nationwide Series, the second-tier professional stock car racing series sanctioned by NASCAR in the United States. It began with the DRIVE4COPD 300 at Daytona International Speedway on February 22, and ended with the Ford EcoBoost 300 at Homestead-Miami Speedway on November 15. This was also the final year that the Nationwide Mutual Insurance Company sponsored the series, opting for increased involvement in the Sprint Cup Series, as well as the final season the series was broadcast by ESPN. Ford entered the season as the defending Manufacturer's Champion. After 2014, Xfinity became the series sponsor.

Stock car racing events in the NASCAR Xfinity Series has been held at the Homestead–Miami Speedway since the track's inauguration in 1995. For much of its history, it was the final race of the second-tier series' season. The event is currently named Contender Boats 300 for sponsorship reasons; with exception of one-off emergency races in 2020 and a one-off change in 2021, the race has been held as a 300-mile race.