| Thompson Island | |
| Pushpin Map: | Canada Nunavut#Canada |
| Native Name: | Twer-oong Island |
| Native Name Link: | Inuktitut |
| Location: | Frobisher Bay |
| Coordinates: | 63.4833°N -96°W |
| Archipelago: | Arctic Archipelago |
| Country: | Canada |
| Country Admin Divisions Title: | Territory |
| Country Admin Divisions: | Nunavut |
| Country Admin Divisions Title 1: | Region |
| Country Admin Divisions 1: | Qikiqtaaluk |
| Population: | Uninhabited |
Thompson Island (variant: Twer-oong Island)[1] is an uninhabited island off the shore of Baffin Island located in the Arctic Archipelago in the territory of Nunavut. The island lies in Frobisher Bay, south of Faris Island and Hill Island.