Winkworth Arboretum is a National Trust-owned arboretum in Surrey, England. It lies between Godalming and Hascombe.

Winkworth Arboretum boasts large collections of azalea, rhododendron and holly situated on slopes leading down to ornamental lakes. Gertrude Jekyll explored the woods in the early 20th century. The exotic trees were planted from 1938 by Wilfrid Fox.