Austin Dillon (born April 27, 1990) is an American professional stock car racing driver. He is the son of former driver and RCR general manager Mike Dillon, older brother of Ty Dillon and grandson of Richard Childress. He currently competes full-time in the Monster Energy NASCAR Cup Series, driving the No. 3 Chevrolet Camaro ZL1 for Richard Childress Racing, part-time in the NASCAR Xfinity Series, driving the No. 3 Chevrolet Camaro for RCR and the No. 10 Camaro for Kaulig Racing, and part-time in the NASCAR Camping World Truck Series, driving the No. 20 Chevrolet Silverado for Young's Motorsports.
After winning NASCAR Rookie of the Year in the Truck Series in 2010, Dillon won the Truck Series championship in 2011, and later the Nationwide Series championship in 2013, also one year after his Rookie of the Year title in 2012. He holds the record for most consecutive poles in the Nationwide Series with four. He is also the winner of the 2018 Daytona 500 where he won in overtime.