| Oescus Island | |
| Map: | Antarctica#Antarctic Peninsula |
| Map Relief: | yes |
| Location: | Antarctica |
| Coordinates: | -62.3519°N -59.6876°W |
| Archipelago: | South Shetland Islands |
| Population: | Uninhabited |
| Country: | None |
| Treaty System: | Antarctic Treaty System |
Oescus Island (bg|остров Ескус|ostrov Eskus, pronounced as /bg/) is the low ice-free island in the Onogur group off the northwest coast of Robert Island in the South Shetland Islands, Antarctica extending 380 m in southeast–northwest direction and 40 m wide. The feature comprises two parts connected by a spit, and is separated from Redina Island, Kovach Island and Leeve Island by passages 120 m, 160 m and 130 m wide respectively.
The island is named after the ancient Roman town of Oescus in Northern Bulgaria.
Oescus Island is located at -62.3519°N -59.6876°W, which is 1.42 km north of Misnomer Point and 890 m west of Shipot Point. British mapping in 1968 and Bulgarian mapping in 2009.
