Mario Gabriele Andretti is an Italian American former racecar driver, and one of the most successful Americans in the history of auto racing.

He has competed and won in many different types of auto racing, including stock cars, midget cars, sprint cars, IndyCars, drag racing cars, sports cars, and Formula One cars. During his career, Andretti won four IndyCar titles, the 1978 Formula One World Championship, and IROC VI . To date, he remains the only driver ever to win the Indianapolis 500 , the Daytona 500 , and the Formula One World Championship, and, along with Juan Pablo Montoya, the only driver to have won a race in the NASCAR Sprint Cup Series, Formula One, and an Indianapolis 500. No American has won a Formula One race since Andretti at the 1978 Dutch Grand Prix. Andretti had 109 career wins on major circuits.