Brashlyan Cove (Bulgarian: залив Бръшлян, ‘Zaliv Brashlyan’ \'za-liv bra-'shlyan\) is the 1.3 km wide cove on Osmar Strait indenting for 480 m the southeast coast of Smith Island in the South Shetland Islands, Antarctica, and entered northeast of Dupnitsa Point. Its head is fed by Gramada Glacier.
The cove is named after the settlement of Brashlyan in Southeastern Bulgaria.