Lewis Island may refer to: Canada Lewis Island (British Columbia), an island near the mouth of the Skeena River on the North Coast of British Columbia Crease Island, British Columbia, was formerly known as Lewis Island Lewis Island (Nova Scotia), an island in Inverness County, Nova Scotia Lewis Island (Algoma), an island in the Algoma District of Ontario Lewis Island (Leeds County), an island in Leeds County, Ontario Lewis Island (Manitoba), an island in Manitoba Lewis Islands, Newfoundland and Labrador, in the Terra Nova Peninsula region Lewis Island (Newfoundland and Labrador), one of four islands in that province Lewis Island Tickle, a channel in Newfoundland and Labrador United States Lewis Island (Connecticut), off the shore of the state of Connecticut Lewis Island (Georgia) Elsewhere Lewis Island (Antarctica) Lewis Island (South Australia) West Lewis Island (Dampier Archipelago, Western Australia) East Lewis Island (Dampier Archipelago, Western Australia) Isle of Lewis, a peninsula in the Outer Hebrides, Scotland Lewis and Harris, Outer Hebrides, the largest island in Scotland