Jeffrey Lynn Earnhardt is an American professional stock car racing driver. He competes part-time in the NASCAR Xfinity Series, driving the No. 26 Toyota GR Supra for Sam Hunt Racing and part-time in the NASCAR Craftsman Truck Series, driving the No. 67 Toyota Tundra for MBM Motorsports. He is the son of Kerry Earnhardt, grandson of Dale Earnhardt, and nephew of Dale Earnhardt Jr.