| Hat Island | |
| Pushpin Map: | Canada Nunavut#Canada |
| Native Name Link: | Inuktitut |
| Location: | Eureka Sound |
| Coordinates: | 78.9833°N -139°W |
| Archipelago: | Sverdrup Islands Queen Elizabeth Islands 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 |
Hat Island is an uninhabited island located in the Qikiqtaaluk Region of Nunavut, Canada. It is situated in Eureka Sound, at the confluence of Bay Fjord, east of Ellesmere Island's Raanes Peninsula and 19.6km (12.2miles) west of Stor Island.[1] It is a member of the Sverdrup Islands group and the Arctic Archipelago. It is also a member of the Queen Elizabeth Islands and the Arctic Archipelago.
Another larger (about 4 × 8 km) Hat Island is also in Nunavut.