| Map: | Chile |
| Coordinates: | -49.1333°N -100°W |
| Waterbody: | Pacific Ocean |
| Area Km2: | 357.3 |
| Coastline Km: | 219.1 |
| Country: | Chile |
| Country Admin Divisions Title: | Region |
| Country Admin Divisions: | Magallanes |
| Country Admin Divisions Title 1: | Province |
| Country Admin Divisions 1: | Última Esperanza |
| Country Admin Divisions Title 2: | Commune |
| Country Admin Divisions 2: | Puerto Natales |
| Additional Info: | NGA UFI=-902045 |
Stosch Island (Spanish: Isla Stosch) is an island located between the Angamos Island (east) and the Covadonga (northwest) and Carlos Islands (west). The Ladrillero Channel runs at the East side. The Golfo Ladrillero is at the South shore of Stosch Island. At the West shore is the Pacific Ocean.
The island is named after German Admiral Albrecht von Stosch.