| Big Island | |
| Pushpin Map: | Canada Nunavut#Canada |
| Native Name Link: | Inuktitut |
| Location: | Northern Canada |
| Coordinates: | 53.7333°N -88°W |
| Archipelago: | Arctic Archipelago |
| Country: | Canada |
| Country Admin Divisions Title: | Nunavut |
| Country Admin Divisions: | Nunavut |
| Country Admin Divisions Title 1: | Region |
| Country Admin Divisions 1: | Qikiqtaaluk |
| Population: | Uninhabited |
Big Island is a small, uninhabited island located in James Bay near the community of Chisasibi, Quebec, Canada. The island, one of three named "Big Island" in the Qikiqtaaluk Region of Nunavut, is part of the Arctic Archipelago.