John Andrew Andretti (born March 12, 1963) is an American race car driver.
He is the older brother of racer Adam Andretti, nephew of Indianapolis 500 winner Mario Andretti, and first cousin to IndyCar champion Michael and Jeff Andretti.
He is also the first cousin once-removed to IndyCar driver Marco Andretti.
His father Aldo Andretti, Mario's twin brother, retired from driving a race car after he nearly died in an accident.
He has won in CART, IMSA GTP, Rolex Sports Car Series, and NASCAR.