| Thor | |
| Pushpin Map: | Canada Nunavut#Canada |
| Native Name Link: | Inuktitut |
| Location: | Northern Canada |
| Coordinates: | 78.2°N -103°W |
| Archipelago: | Queen Elizabeth Islands Arctic Archipelago |
| Area Km2: | 123 |
| Area: | 123km2 --> |
| Country: | Canada |
| Country Admin Divisions Title: | Territory |
| Country Admin Divisions: | Nunavut |
| Country Admin Divisions Title 1: | Region |
| Country Admin Divisions 1: | Qikiqtaaluk |
| Population: | 0 |
Thor Island is one of the Canadian arctic islands in Nunavut, Canada. It lies south of Ellef Ringnes Island.