| Tussaaq | |
| Map: | Greenland |
| Archipelago: | Upernavik Archipelago |
| Location: | Greenland |
| Coordinates: | 73.05°N -67°W |
| Country: | Greenland |
| Country Admin Divisions Title: | Municipality |
| Country Admin Divisions: | Avannaata |
Tussaaq Island is an island of Greenland. It is located in Tasiusaq Bay in the Upernavik Archipelago within the Avannaata municipality.