| Bulgaria in Antarctica |
|---|
- Ichera Peak, Sentinel Range
- Ichev Nunatak, Bastien Range
- Iglika Passage, Livingston Island
- Mount Ignatiev, Trinity Peninsula
- Igralishte Peak, Alexander Island
- Ihtiman Hook, Livingston Island
- Ilarion Ridge, Greenwich Island
- Ilchev Buttress, Graham Coast
- Iliev Glacier, Alexander Island
- Ilinden Peak, Greenwich Island
- Ilyo Point, Clarence Island
- Imelin Island, Trinity Island
- Imeon Range, Smith Island
- Intuition Peak, Livingston Island
- Ioannes Paulus II Peninsula, Livingston Island
- Irakli Peak, Trinity Peninsula
- Iratais Point, Desolation Island
- Irnik Point, Snow Island
- Isbul Point, Livingston Island
- Ishirkov Crag, Oscar II Coast
- Iskar Glacier, Livingston Island
- Iskra Peak, Oscar II Coast
- Istros Bay, Clarence Island
- Ivan Alexander Point, Nelson Island
- Ivan Asen Cove, Smith Island
- Ivan Asen Point, Smith Island
- Ivan Vladislav Point, Rugged Island
- Ivanili Heights, Oscar II Coast
- Ivanov Beach, Livingston Island
- Ivats Peak, Nordenskjöld Coast
- Ivaylo Cove, Snow Island
- Izgrev Passage, Robert Island
- Mount Izvor, Oscar II Coast