| Melchor Island | |
| Native Name: | Isla Melchor |
| Map: | Chile |
| Coordinates: | -45.1333°N -130°W |
| Waterbody: | Pacific Ocean |
| Area Km2: | 863.5 |
| Coastline Km: | 241.9 |
| Country: | Chile |
| Country Admin Divisions Title: | Region |
| Country Admin Divisions: | Aisén |
| Country Admin Divisions Title 1: | Province |
| Country Admin Divisions Title 2: | Commune |
| Additional Info: | NGA UFI=-892188 |
Melchor Island (Spanish Isla Melchor also known as Meleguen in the NGA) is an island in the Chonos Archipelago of Chile.