| Static Image Name: | Down St Mary - the green - geograph.org.uk - 213996.jpg |
| Static Image Width: | 240 |
| Static Image Caption: | The Green |
| Coordinates: | 50.825°N -3.7833°W |
| Country: | England |
| Official Name: | Down St Mary |
| Population: | 316 |
| Population Ref: | (2001) |
| Civil Parish: | Down St Mary |
| Shire District: | Mid Devon |
| Shire County: | Devon |
| Region: | South West England |
| Os Grid Reference: | SX7404 |
| Dial Code: | 01363 |
| Post Town: | CREDITON |
| Postcode District: | EX17 |
| Postcode Area: | EX |
| Constituency Westminster: | North Devon |
Down St Mary is a small village, and civil parish off the A377 in Mid Devon in the English county of Devon. It has a population of 316.[1]