| Coed Cwm Cletwr | |
| Aos: | Ceredigion |
| Interest: | Biological |
| Coordinates: | 52.5083°N -3.969°W |
| Displaymap: | Wales |
| Area: | 22.98 ha |
| Notifydate: | 1 January 1979 |
Coed Cwm Clettwr is a Site of Special Scientific Interest in Ceredigion, west Wales. It is designated for mature broadleaf woodland.[1]
The alternative spelling Coed Cwm Cletwr appears on a variety of maps over many years, but local usage has Clettwr