| Country: | Wales |
| Coordinates: | 52.959°N -4.422°W |
| Official Name: | Carnguwch |
| Static Image Name: | The 6m high and 30m diameter Carnguwch cairn - geograph.org.uk - 702600.jpg |
| Static Image Width: | 250 |
| Static Image Caption: | Carnguwch Cairn |
| Unitary Wales: | Gwynedd |
| Lieutenancy Wales: | Gwynedd |
| Constituency Welsh Assembly: | Dwyfor Meirionnydd |
| Constituency Westminster: | Caernarfon |
| Community Wales: | Pistyll |
| Postcode District: | LL53 |
| Postcode Area: | LL |
| Post Town: | PWLLHELI |
| Dial Code: | 01758 |
| Os Grid Reference: | SH3742 |
Carnguwch is a former civil parish in the Welsh county of Gwynedd. It was abolished in 1934, and incorporated into Pistyll.[1] The parish included 1179feet high Mynydd Carnguwch.