Robert Gerhart Jr. (born July 21, 1958) is an American retired professional stock car racing driver. He last competed in the ARCA Menards Series, driving Chevrolet SS for Gerhart Racing and the No. 63 Chevy Silverado for his own team in a joint effort with the MB Motorsports team in the Camping World Truck Series. He has won nine times on the ARCA circuit, eight of those victories coming in the season-opening ARCA Daytona 200 at Daytona International Speedway (2012, 2011, 2010, 2007, 2006, 2005, 2002 and 1999).