| Country: | Wales |
| Official Name: | Llangwyfan |
| Coordinates: | 53.1945°N -4.4944°W |
| Cardiff Distance Mi: | 130.8 |
| Cardiff Distance Km: | 210.6 |
| London Distance Mi: | 218 |
| London Distance Km: | 350.8 |
| Community Wales: | Aberffraw |
| Unitary Wales: | Anglesey |
| Constituency Welsh Assembly: | Ynys Môn |
| Constituency Westminster: | Ynys Môn |
| Post Town: | Tŷ Croes |
| Postcode District: | LL63 |
| Os Grid Reference: | SH 3346 6928 |
Llangwyfan named after St. Cwyfan is a hamlet in the community of Aberffraw, Anglesey, Wales, which is 130.8 miles (210.6 km) from Cardiff and 218 miles (350.8 km) from London.