West Suffolk District is a local government district in Suffolk, England. It was established in 2019 as a merger of the previous Forest Heath District with the Borough of St Edmundsbury. The council is based in Bury St Edmunds, the district's largest town. The district also contains the towns of Brandon, Clare, Haverhill, Mildenhall and Newmarket, along with numerous villages and surrounding rural areas. In 2021 it had a population of 180,820.