Emsworth is a town in the Borough of Havant in the county of Hampshire, on the south coast of England near the border with West Sussex. It lies at the north end of an arm of Chichester Harbour, a large and shallow inlet from the English Channel, and is equidistant between Portsmouth and Chichester.

The Borough of Havant is a local government district with borough status in Hampshire, England. Its council is based in Havant. Other towns and villages within the borough include Bedhampton, Cowplain, Emsworth, Hayling Island, Purbrook, Waterlooville and Widley. The borough covers much of the semi-urban area in the south east of Hampshire, between the city of Portsmouth and the West Sussex border.