| Official Name: | Llanllwchaiarn |
| Type: | Community |
| Country: | Wales |
| Unitary Wales: | Ceredigion |
| Module: | Map of the community |
Llanllwchaiarn (cy|Llanllwchaearn) is a community in Ceredigion, Wales, surrounding New Quay and had a population of 848 at the 2011 UK census.
The community council uses the spelling of Llanllwchaearn, which differs from Llanllwchaiarn shown on Ordnance Survey Explorer map 198.[1]