| Country: | England |
| Coordinates: | 51.0991°N -1.5274°W |
| Official Name: | Houghton Down |
| Shire District: | Test Valley |
| Shire County: | Hampshire |
| Region: | South East England |
| Constituency Westminster: | North West Hampshire |
| Post Town: | STOCKBRIDGE |
| Postcode District: | SO20 |
| Postcode Area: | SO |
| Dial Code: | 01264 |
| Os Grid Reference: | SU3319233417 |
Houghton Down is a hamlet in the civil parish of Houghton in the Test Valley district of Hampshire, England. Its nearest town is Stockbridge, which lies approximately 1.4 miles (2.6 km) east from the hamlet.