Withyham is a village and large civil parish in the Wealden district of East Sussex, England. The village is situated 7 miles south west of Royal Tunbridge Wells and 3.5 miles (5.6 km) from Crowborough; the parish covers approximately 7,500 acres (30 km2).

Wealden is a local government district in East Sussex, England. Its council is based in Hailsham, the district's largest town. The district also includes the towns of Crowborough, Polegate and Uckfield, along with numerous villages and surrounding rural areas. The district's name comes from the Weald, the landscape and ancient woodland which occupies much of the centre and north of the area.