The Peshtera Glacier (Bulgarian Lednik Peshtera) is a glacier on the Rozhen Peninsula, Livingston Island in the South Shetland Islands, Antarctica situated southwest of Ruen Icefall and north of Charity Glacier.
The head of the glacier is bounded by MacKay Peak (approx. 700 m) to the southwest and Tervel Peak to the east. It flows 2 km north-northwestward to terminate at the northeast extremity of Zagore Beach. The feature is named after the Bulgarian town of Peshtera, in Pazardzhik Province.
The glacier is centred at 62°42′40″S 60°18′00″W / 62.71111°S 60.30000°WCoordinates: 62°42′40″S 60°18′00″W / 62.71111°S 60.30000°W. Bulgarian mapping in 2005 and 2009.