Klang Island (Malay: Pulau Klang is an island in Klang District, Selangor, Malaysia with an area of 2.70 km², covered by mangrove swamps. It is the largest island in the district after Indah Island, and the third-largest island of Selangor. It is currently uninhabited.

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3°00′N 101°18′E / 3.000°N 101.300°E / 3.000; 101.300