Big Island may refer to:
Canada Big Island (Newfoundland and Labrador) Big Island, Nova Scotia, a peninsula in Pictou County Big Island Provincial Park, a provincial park in Alberta
Nunavut Big Island (Chesterfield Inlet), located in Thelon River near the mouth of Chesterfield Inlet; see Imiliit Big Island (Hudson Bay, Nunavut), near Puvirnituq, Quebec Big Island (James Bay, Nunavut), near Chisasibi, Quebec Qikiqtarjuaq (Hudson Strait), formerly Big Island, near Kimmirut
Ontario Big Island (Bay of Quinte) Big Island (Lake Chemong), in Chemong Lake Big Island (Lake of the Woods), in Lake of the Woods Big Island (Pigeon Lake), in Pigeon Lake
Malaysia Big Island, Johor Big Island, Malaysia, in Malacca
New Zealand
Big Island (New Zealand)
United Kingdom Big Island (Northern Ireland)
United States New Hampshire Big Island (Pawtuckaway Lake), in Pawtuckaway Lake Big Island (Umbagog Lake), in Umbagog Lake
New York Big Island (Chemung River), in Chemung County Big Island (Woodhull Lake), in Herkimer County
Other United States Big Island (Hawaii) Big Island Amusement Park, on Lake Minnetonka's Big Island, Minnesota Big Island, Ohio, an unincorporated community Big Island, Virginia, a census-designated place Big Island (Wood County, Wisconsin), in the Wisconsin River
Other uses Naoto Ohshima (born 1964), Japanese artist and video game designer