Hailsham is a town and civil parish located in East Sussex, England. It serves as the administrative centre for the Wealden district within the United Kingdom.
The town's historical origins are recorded in the Domesday Book, where it appears under two different names: Hamelesham and 'Tilux', the latter identified as the land of Ricard de Tunbrige. Historically, the area is characterized by its background in both agriculture and industry.