Arreton Down
| Site of Special Scientific Interest | |
| Location | Isle of Wight |
|---|---|
| Grid reference | SZ540872 |
| Interest | Biological |
| Area | 29.8 hectares (74 acres) |
| Notification | 1979 |
| Location map | Natural England |
Arreton Down is a chalk hill in the central part of the Isle of Wight in southern England. It is public access land, with 29.77 hectares (73.6 acres) designated as a biological Site of Special Scientific Interest (SSSI) and 19 hectares (47 acres) managed as a nature reserve by Hampshire and Isle of Wight Wildlife Trust. The land is marked by extensive ancient field features as yet unexcavated.