John C. Stout (born September 15, 1983) is an American former professional stock car racing driver and current team owner of SQR Development, which fields one part-time Toyota Supra in the NASCAR Xfinity Series. As a driver, he competed part-time in the Xfinity Series (then known as the Nationwide Series), the NASCAR Camping World Truck Series, and the ARCA Menards Series East (then known as the NASCAR K&N Pro Series East) between 2003 and 2013.