Southbourne is a village in the Chichester District of West Sussex, England.
Situated in the south west corner of the English county of West Sussex. Bordering Hampshire in the West it encompasses Hermitage and Lumley with Prinsted and Southbourne at its centre and Nutbourne to the East. It stretches from the reaches of Chichester Harbour in the south to the modern A27 in the north.
At the heart of the parish is the church of St. John the Evangelist. Close by are the Co-op foodstore which also houses the Post Office, Southbourne Farm Shop, the local chemist and the Southbourne Surgery as well as the Travellers’ Joy public house. North of the A259, in First Avenue, are the Library and Village Hall. Bourne Community College is a large comprehensive school and there are infant and junior schools serving the educational needs of the parish.