Brett Sontag (born October 29, 1970) is an American professional stock car driver from Joliet, Illinois. He currently drives the #5 Chevrolet Impala at various midwest racetracks including the in Morris, Illinois, the Illiana Motor Speedway in Schererville, Indiana and at select CRA Super Series, ASA Late Model Series, and ASA Midwest Tour events. He previously competed in the American Speed Association National Tour and the NASCAR RE/MAX Challenge Series.