In the Canadian Arctic Archipelago, Somerset Island is a large, uninhabited island separated by the 2 km wide Bellot Strait from the Boothia Peninsula in the Qikiqtaaluk Region of Nunavut, Canada, lying between Peel Sound (across which lies Prince of Wales Island) and Prince Regent Inlet (across which lies Baffin Island). It has an area of , making it the 46th largest island in the world and Canada's twelfth largest island.