| Official Name: | Wiston |
| Country: | England |
| Civil Parish: | Wiston |
| Region: | South East England |
| Static Image: | Wiston House buildings.jpg |
| Static Image Caption: | Buildings on the estate of Wiston House |
| Area Footnotes: | [1] |
| Area Total Km2: | 13.60 |
| Population: | 221 |
| Population Ref: | 2001 Census |
| Population Density: | 16/km2 |
| Os Grid Reference: | TQ143142 |
| Coordinates: | 50.9161°N -0.374°W |
| Post Town: | STEYNING |
| Postcode Area: | BN |
| Postcode District: | BN44 |
| Dial Code: | 01903 |
| Constituency Westminster: | Arundel and South Downs |
| London Distance: | NNE |
| Shire District: | Horsham |
| Shire County: | West Sussex |
Wiston is a scattered village and civil parish in the Horsham District of West Sussex, England. It lies on the A283 road northwest of Steyning.
The parish covers an area of 1360ha. In the 2001 census 221 people lived in 86 households, of whom 120 were economically active.
Chanctonbury Ring, a hill fort based ring of trees atop Chanctonbury Hill on the South Downs, lies on the border of the parish and the neighbouring parish of Washington. Chanctonbury Hill is a Site of Special Scientific Interest as an uncommon woodland type on a chalk escarpment, providing habitat for many species including the protected Great Crested Newt.[2]