County Route 535 (CR 535) is a county highway in the U.S. state of New Jersey. The highway extends 32.31 miles (52.00 km) from Logan Avenue (where it becomes CR 635), at the boundary between Trenton and Hamilton Township in Mercer County to an interchange with U.S. Route 9 (US 9) and Route 35 in South Amboy, Middlesex County.