William Sawalich

William George Jerome Sawalich (born October 3, 2006) is an American professional stock car racing driver. He competes full-time in the NASCAR O'Reilly Auto Parts Series, driving the No. 18 Toyota GR Supra for Joe Gibbs Racing, part-time in the NASCAR Craftsman Truck Series, driving the Nos. 1 and 5 Toyota Tundra TRD Pros for Tricon Garage and part-time in the ARCA Menards Series, driving the No. 18 Toyota Camry for JGR. He is the 2023 and 2024 ARCA Menards Series East champion.