Halifax Citadel-Sable Island is a provincial electoral district in Halifax, Nova Scotia, Canada, that elects one member of the Nova Scotia House of Assembly. Its current Member of the Legislative Assembly is Labi Kousoulis of the Nova Scotia Liberal Party. The constituency consists of the downtown city centre of Halifax and the residential South End. The regional district's area includes four universities (including Dalhousie University and Saint Mary's University) and four hospitals. The constituency also includes Sable Island.