South Hayling is a village and former civil parish on Hayling Island, about 5 miles from Havant, in the Havant district, in the county of Hampshire, England. In 2020 it had an estimated population of 15,948. South Hayling BUA's classification is a "smaller seaside town". In 1931 the parish had a population of 3254. On 1 April 1932 the parish was abolished and merged with Havant.