State Route 168 (SR 168) is north–south state highway in the northeastern portion of the U.S. state of Ohio. The southern terminus of State Route 168, which doubles as the southern endpoint of State Route 528, is along State Route 88 at a signalized intersection with U.S. Route 422 in the hamlet of Parkman. State Route 168's northern terminus, which is concurrently the northern endpoint of State Route 700, is at the junction with State Route 87 at a traffic circle in Burton.