Mansel Island (Inuktitut: Pujjunaq), a member of the Arctic Archipelago, is an uninhabited island in Qikiqtaaluk Region, Nunavut. It is located in Hudson Bay off of Quebec's Ungava Peninsula. At 3,180 km2 in size, it is the 159th largest island in the world, and Canada's 28th largest island. Its topography features a gently undulating limestone lowland with elevations not exceeding 100 m. Mansel Island was named in 1613 by Sir Thomas Button after Vice-Admiral Sir Robert Mansell.