  Location within Nunavut  Location within Canada | |
| Geography | |
|---|---|
| Location | Hudson Bay |
| Coordinates | 58°39′20″N 78°40′30″W / 58.65556°N 78.67500°W |
| Archipelago | Arctic Archipelago |
| Administration | |
Canada | |
| Nunavut | |
| Qikiqtaaluk | |
| Demographics | |
| Population | Uninhabited |
Cox Island is a northern Canadian island in eastern Hudson Bay and forms part of the Qikiqtaaluk Region. While situated 2 km (1.2 mi) off the western coast of Quebec's Ungava Peninsula, it, like other islands in Hudson Bay and James Bay, are in Nunavut.