| Llanddyfnan | |
|---|---|
 Mynydd Bodafon | |
  Llanddyfnan Location within Anglesey | |
| Population | 1,061 (2011) |
| OS grid reference | SH5078 |
| Community |
|
| Principal area | |
| Preserved county | |
| Country | Wales |
| Sovereign state | United Kingdom |
| Post town | LLANGEFNI |
| Postcode district | LL77 |
| Dialling code | 01248 |
| Police | North Wales |
| Fire | North Wales |
| Ambulance | Welsh |
| UK Parliament | |
| Senedd Cymru – Welsh Parliament | |
Llanddyfnan is a village and community in Anglesey, Wales, located 3.5 miles (5.6 km) north east of Llangefni, 6.6 miles (10.6 km) north west of Menai Bridge and 7.1 miles (11.4 km) west of Beaumaris.