| Map: | Chile |
| Coordinates: | -50.6052°N -75.3139°W |
| Waterbody: | Pacific Ocean |
| Area Km2: | 522 |
| Coastline Km: | 320.8 |
| Country: | Chile |
| Country Admin Divisions Title: | Region |
| Country Admin Divisions: | Magallanes |
| Country Admin Divisions Title 1: | Province |
| Country Admin Divisions Title 2: | Commune |
| Additional Info: | NGA UFI=-879997 |
Duke of York Island (Chile) (Spanish: Isla Duque de York) is an island in Magallanes Region, Chile.