| Barnhill Quarry | |
| Coordinates: | 51.5425°N -2.3979°W |
| Aos: | Avon |
| Displaymap: | Gloucestershire |
| Interest: | Geological |
| Gridref: | ST725827 |
| Area: | 3.1 hectare |
| Notifydate: | 1966 |
| Map: | English Nature |
Barnhill Quarry is a 3.1 hectare geological Site of Special Scientific Interest near Chipping Sodbury, South Gloucestershire, notified in 1966.