Llanaelhaearn
| Llanaelhaearn | |
|---|---|
| St Aelhaearn's | |
| Location within Gwynedd | |
| Population | 1,117 (2011) | 
| OS grid reference | SH384448 | 
| Community | 
 | 
| Principal area | |
| Preserved county | |
| Country | Wales | 
| Sovereign state | United Kingdom | 
| Post town | CAERNARFON | 
| Postcode district | LL54 | 
| Dialling code | 01758 | 
| Police | North Wales | 
| Fire | North Wales | 
| Ambulance | Welsh | 
| UK Parliament | |
| Senedd Cymru – Welsh Parliament | |
Llanaelhaearn is a village on the Llŷn Peninsula in the county of Gwynedd, Wales. Located in the community of Trefor a Llanaelhaearn (prior to 2024 called just "Llanaelhaearn") which also includes the larger village of Trefor and has a population of 1,067, increasing to 1,117 at the 2011 Census.