Justin Marks (born March 25, 1981) is an American racing driver, entrepreneur, and current owner of Trackhouse Racing Team in the NASCAR Cup Series. He last competed in the WeatherTech SportsCar Championship, driving the No. 93 for Meyer Shank Racing with Curb-Agajanian in the GT Daytona class.

Marks has competed in sports car and stock car racing, competing in the ARCA Racing Series and NASCAR Camping World Truck Series. He also served as a road course ringer in the NASCAR Xfinity Series and Cup Series.