| Country: | Wales |
| Official Name: | Pentrellwyn |
| Coordinates: | 52.059°N -4.3182°W |
| Cardiff Distance Mi: | 63.1 |
| Cardiff Distance Km: | 101.5 |
| London Distance Mi: | 183.1 |
| London Distance Km: | 294.6 |
| Unitary Wales: | Ceredigion |
| Community Wales: | Llandysul |
| Constituency Welsh Assembly: | Ceredigion |
| Constituency Westminster: | Ceredigion Preseli |
| Post Town: | Llandysul |
| Postcode District: | SA44 |
| Postcode Area: | SA |
| Os Grid Reference: | SN 4116 4261 |
Pentrellwyn is a small village in the community of Llandysul, Ceredigion, Wales.[1] Pentrellwyn is represented in the Senedd by Elin Jones (Plaid Cymru) and is part of the Ceredigion constituency in the House of Commons.[2] [3]