Zach Osborne (born September 25, 1989) is an American professional motocross, supercross and enduro racer. He competed in the AMA Motocross Championships from 2006 to 2007 and in the Motocross World Championships from 2008 to 2012, before returning to compete in the AMA Motocross Championships from 2013 to the present. Osborne is notable for winning two AMA motocross national championships and, has represented the United States as a member of American teams at the Motocross des Nations, as well as in the International Six Days Enduro.