| Static Image: | Cottages at Hallworthy - geograph.org.uk - 731925.jpg |
| Static Image Width: | 240px |
| Static Image Caption: | Cottages at Hallworthy |
| Country: | England |
| Map Type: | Cornwall |
| Region: | South West England |
| Official Name: | Hallworthy |
| Cornish Name: | Halworgi |
| Civil Parish: | Treneglos |
| Unitary England: | Cornwall |
| Lieutenancy England: | Cornwall |
| Os Grid Reference: | SX180878 |
| Coordinates: | 50.661°N -4.576°W |
| Postcode Area: | PL |
| Postcode District: | PL32 |
| Hide Services: | yes |
Hallworthy (kw|Halworgi[1]) is a hamlet in the parish of Treneglos, Cornwall, England. It is at a crossroads on the A395 road from Davidstow to Launceston.[2] To the east is a plantation called Wilsey Down Forest.[3] It is in the civil parish of Davidstow