 Location of Robert Island in the South Shetland Islands | |
  Osenovlag Island Location of Osenovlag Island  Osenovlag Island Osenovlag Island (Antarctic Peninsula) | |
| Geography | |
|---|---|
| Location | Antarctica |
| Coordinates | 62°20′54.6″S 59°40′25″W / 62.348500°S 59.67361°W |
| Archipelago | South Shetland Islands |
| Administration | |
| Administered under the Antarctic Treaty System | |
| Demographics | |
| Population | Uninhabited |
Osenovlag Island (Bulgarian: остров Осеновлаг, romanized: ostrov Osenovlag, IPA: [ˈɔstrof oˈsɛnovɫɐk]) is the easternmost island in the Onogur group off the northwest coast of Robert Island in the South Shetland Islands, Antarctica. It is named after the settlement of Osenovlag in Western Bulgaria.