|Site of Special Scientific Interest|
|Area of Search||Surrey & West Sussex|
|Area||543.9 ha (1,344 acres)|
|Natural England website|
Chiddingfold Forest is a Site of Special Scientific Interest (SSSI) in south west Surrey and West Sussex, England. It lies near Chiddingfold and Dunsfold. The Forestry Commission owns and/or manages some 830 hectares (2,100 acres) of woodland in the forest complex of which 543.9 hectares (1,344 acres) is designated SSSI. It is one of 15 SSSIs in the borough of Waverley.
It is home to the rare Wood White butterfly, but the Pearl-bordered Fritillary was last recorded in 2007. Rare moths include: Argent & Sable, Common Fan-foot, White-line Snout, Waved Carpet and Drab Looper.