Kyle Busch is a professional stock car racing driver and team owner. As of 2020, he competes full-time in the NASCAR Cup Series, driving the No. 18 Toyota Camry for Joe Gibbs Racing, part-time in the NASCAR Xfinity Series, driving the No. 54 Toyota Supra for JGR, and part-time in the NASCAR Gander RV & Outdoors Truck Series, driving the No. 51 Toyota Tundra for Kyle Busch Motorsports. KBM runs multiple trucks in the Truck Series and a Super Late Model team.

Busch is the 2009 NASCAR Nationwide Series champion and the 2015 and 2019 Cup Series champion He holds the record for most all-time wins in all three of NASCAR's national touring series with 213 (as of October 28, 2020). Furthermore, he holds the record for the most Xfinity Series wins in a season with 13 in 2010, and the most overall with 97. Busch also holds the record for most overall wins in the Truck Series with 59. As of 2019, he is the only driver in history to have 50+ wins in NASCAR's top 3 series. Furthermore, Busch became the first driver to win a race and a championship in a Toyota in the Cup Series, winning at Atlanta Motor Speedway during the 2008 season and the 2015 Cup championship. 

Busch is one of the cover drivers of NASCAR Kart Racing. He is also featured on the cover of NASCAR Heat 2 after winning the cover driver competition at the 2017 Monster Energy NASCAR All-Star Race. In 2020, Busch and beverage entrepreneur Jeff Church created a brand of energy drink called Rowdy Energy.