Helena Island is one of the uninhabited Canadian arctic islands located in Nunavut, Canada. It is along the northern coast of Bathurst Island, separated by Sir William Parker Strait. Seymour Island is located off its west coast. Located at 76°39'N 101°04'W, Helena Island measures 327 km2 (126 sq mi) in area, measures 41 kilometres (25 mi) long and 12.8 kilometres (8.0 mi) wide.
Its major landmarks are Devereaux Point in the north, Noel Point in the west, and Cape Robert Smart in the south.