Polyne Quarry (grid reference SX225531) is a 0.1 hectare Site of Special Scientific Interest (SSSI) in Cornwall, England, UK. It is located to the north of Polperro civil parish, 2 miles (3.2 km) to the west of Looe.
The SSSI was designated in 1988 for its geological interest.
50°21′02″N 4°29′45″W / 50.3506°N 4.4957°W