| Mandinam a Coed Deri | |
| Aos: | Carmarthenshire |
| Interest: | Biological |
| Coordinates: | 51.935°N -3.8263°W |
| Displaymap: | Wales |
| Area: | 10.6 ha |
| Notifydate: | 27 February 1986 |
Mandinam a Coed Deri is an area of woodland and pasture that is a Site of Special Scientific Interest in Carmarthen & Dinefwr, Wales.