Westbourne is a village, civil parish and electoral ward in the Chichester District of West Sussex, England. It is located 0.5 miles (0.80 km) north east of Emsworth. The parish includes the hamlets of Woodmancote and Aldsworth, and once included the settlements of Southbourne and Prinsted to the south.

The Anglican Church of St John the Baptist, Westbourne is situated in the village of Westbourne, West Sussex. The church is part of the Diocese of Chichester and is dedicated to John the Baptist.