Matthew Guido DiBenedetto (born July 27, 1991) is an American professional stock car racing driver. He currently competes full-time in the NASCAR Cup Series, driving the No. 21 Ford Mustang for Wood Brothers Racing.
DiBenedetto made his NASCAR Nationwide Series debut in 2009 at the Memphis Motorsports Park and drove the No. 20 Pizza Ranch Toyota for Joe Gibbs Racing. DiBenedetto raced part-time in the No. 20 car in 2010.