| Country: | Wales |
| Official Name: | Cafnan |
| Coordinates: | 53.4085°N -4.4941°W |
| Cardiff Distance Mi: | 144.3 |
| Cardiff Distance Km: | 232.2 |
| London Distance Mi: | 225.8 |
| London Distance Km: | 363.4 |
| Community Wales: | Mechell |
| Unitary Wales: | Anglesey |
| Constituency Welsh Assembly: | Ynys Môn |
| Constituency Westminster: | Ynys Môn |
| Post Town: | Bae Cemaes |
| Postcode District: | LL67 |
| Os Grid Reference: | SH 3442 9304 |
Cafnan is a hamlet in the community of Mechell, Anglesey, Wales, which is 144.3 miles (232.2 km) from Cardiff and 225.8 miles (363.4 km) from London. Cafnan is represented in the Senedd by Rhun ap Iorwerth (Plaid Cymru) and is part of the Ynys Môn constituency in the House of Commons.[1] [2]