State Route 530 (SR 530) is a nearly 8-mile (13 km) long, east-west state highway in the southeastern corner of the U.S. state of Ohio. The western terminus of State Route 530 is at a signalized T-intersection with State Route 60 in downtown Lowell. Its eastern terminus is at State Route 821 in the community of Warner, nearly 1 mile (1.6 km) west of Lower Salem. Established in the late 1930s, State Route 530 exists entirely within Washington County, passing through rural northern portions of the county while connecting the Lowell with the Lower Salem vicinity.