Mark Thompson (born July 9, 1951) is a retired American professional stock car racing driver, pilot, and businessman. He formerly competed part-time in the Monster Energy NASCAR Cup Series, driving the No. 66 Ford Fusion for MBM Motorsports, and part-time in the NASCAR Xfinity Series, driving the No. 13 car for MBM Motorsports. At age 66, Thompson is the oldest driver to compete in the Daytona 500.