| Country: | Wales |
| Official Name: | Ynys Tachwedd |
| Static Image: | Ynys Tachwedd.jpg |
| Static Image Caption: | View along the B4353 road |
| Coordinates: | 52.5185°N -4.0407°W |
| Cardiff Distance Mi: | 80.5 |
| Cardiff Distance Km: | 129.6 |
| London Distance Mi: | 180.5 |
| London Distance Km: | 290.5 |
| Unitary Wales: | Ceredigion |
| Community Wales: | Borth |
| Constituency Welsh Assembly: | Ceredigion |
| Constituency Westminster: | Ceredigion Preseli |
| Post Town: | Borth |
| Postcode District: | SY24 |
| Postcode Area: | SY |
| Os Grid Reference: | SN 6163 9314 |
Ynys Tachwedd is a hamlet in the community of Borth, Ceredigion, Wales, which is 80.5 miles (129.6 km) from Cardiff and 180.5 miles (290.5 km) from London. Ynys Tachwedd is represented in the Senedd by Elin Jones (Plaid Cymru) and is part of the Ceredigion Preseli constituency in the House of Commons.[1] [2]
The name derives from the Welsh language: "November's island".