Connor Mosack (born January 20, 1999) is an American professional stock car racing driver who last competed full-time in the Pirelli Trans Am TA2 Series, driving for TeamSLR, as well as part-time in the ARCA Menards Series, ARCA Menards Series East, and ARCA Menards Series West, driving the No. 23 Chevrolet SS for Bret Holmes Racing, part-time in the NASCAR Camping World Truck Series, driving the No. 32 Chevrolet Silverado for Bret Holmes Racing, as well as part-time in the NASCAR Xfinity Series, driving the No. 18 for Joe Gibbs Racing and No. 26 for Sam Hunt Racing.