| Country: | England |
| Region: | South West England |
| Map Type: | Cornwall |
| Official Name: | Old Cardinham Castle |
| Civil Parish: | Cardinham |
| Unitary England: | Cornwall |
| Lieutenancy England: | Cornwall |
| Os Grid Reference: | SX124678 |
| Coordinates: | 50.48°N -4.646°W |
| Hide Services: | yes |
Old Cardinham Castle is a hamlet in Cornwall, England, UK.[1] It is in the parish of Cardinham very close to the site of the Norman Cardinham Castle,[2] caput of the feudal barony of Cardinham.