| Marcet Island | |
| Pushpin Map: | Canada Nunavut#Canada |
| Native Name Link: | Inuktitut |
| Location: | Bathurst Inlet |
| Coordinates: | 67.7833°N -114°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: | Kitikmeot |
| Population: | Uninhabited |
Marcet Island is an uninhabited island within the Arctic Archipelago in the Kitikmeot Region, Nunavut. It is located in Bathurst Inlet. Other islands in the vicinity include Galena Island, Ekalulia Island, Lewes Island, Patsy Klengenberg Island, Iglorua Island, and Walrus Island.[1]