Osen Cove (69°27′S39°40′E / 69.450°S 39.667°E / -69.450; 39.667) is a lake-like cove that indents the north part of Skarvsnes Foreland and opens on Byvagen Bay at the east side of Lutzow-Holm Bay. Mapped by Norwegian cartographers from air photos taken by the Lars Christensen Expedition, 1936–37, and named Osen (the outlet).