Wickham is a village in the civil parish of Wickham and Knowle, in the Winchester district, in the county of Hampshire, England. It is about 3 miles north of Fareham. In 2021 it had a population of 2173. At the 2001 census, it the parish a population of 4,816, falling to 4,299 at the 2011 Census. Wickham has one of the oldest continuous historic market squares lined with historic buildings and is designated a conservation area. Most of the square is taken by parking spaces.