Shediac is a geographic parish in Westmorland County, New Brunswick, Canada. For governance purposes it is divided between the city of Dieppe, the towns of Cap-Acadie and Shediac, the incorporated rural communities of Beausoleil and Maple Hills, and the Southeast rural district.
Beausoleil is a members of the Kent Regional Service Commission, with the rest all belonging to the Southeast Regional Service Commission. Prior to the 2023 governance reform, the parish was divided between Dieppe, Shediac, the village of Cap-Pelé, the rural community of Beaubassin East, and the local service districts of Grande-Digue, Pointe-du-Chêne, Scoudouc, Scoudouc Road, Shediac Bridge-Shediac River, Shediac Cape, and the parish of Shediac.