Big Island may refer to:
Newfoundland and Labrador
Nunavut
Ontario
Big Island is an uninhabited island located in the Qikiqtaaluk Region, Nunavut, Canada. It lies in Hudson Strait and is separated from Baffin Island by White Strait. The closest community is Kimmirut, 28 km (17 mi) away.
Other islands in the immediate vicinity include Emma Island and Rabbit Island.
Of the three islands in Nunavut's Qikiqtaaluk Region named "Big Island", this one is by far the biggest with an area of 756 km2 (292 sq mi).
Big Island is a small, uninhabited island located in Hudson Bay near the community of Puvirnituq, Quebec, Canada. The island, one of three islands named "Big Island" in the Qikiqtaaluk Region of Nunavut, is part of the Canadian Arctic Archipelago.