| Country: | Wales |
| Official Name: | Nantcwnlle |
| Coordinates: | 52.2118°N -4.0873°W |
| Unitary Wales: | Ceredigion |
| Lieutenancy Wales: | Dyfed |
| Constituency Westminster: | Ceredigion Preseli |
| Constituency Welsh Assembly: | Ceredigion |
| Post Town: | Lampeter |
| Postcode District: | SA48 8 |
| Postcode Area: | SA |
| Population: | 804 |
| Population Ref: | (2011)[1] |
Nantcwnlle is a community in Ceredigion, Wales, including the villages of Talsarn and Llwyn-y-groes.
Daniel Rowland (1713–1790), was born in Nantcwnlle; he was one of the leading evangelists in Wales.