| Country: | England |
| Official Name: | Adhurst St Mary |
| Coordinates: | 51.0177°N -0.9122°W |
| Map Type: | Hampshire |
| Civil Parish: | Steep |
| Shire District: | East Hampshire |
| Shire County: | Hampshire |
| Region: | South East England |
| Constituency Westminster: | Petersfield |
| Post Town: | PETERSFIELD |
| Postcode District: | GU31 |
| Postcode Area: | GU |
| Dial Code: | 01730 |
| Os Grid Reference: | SU764248 |
Adhurst (also known as Adhurst St Mary) is a hamlet in Hampshire, United Kingdom. The settlement is within the civil parish of Steep, and is located approximately 1.3miles north-east of Petersfield. Lothian Bonham-Carter of the Bonham Carter family was born in the hamlet in 1858.