The Peshtera Glacier (Bulgarian Lednik Peshtera) is a glacier situated on the Rozhen Peninsula, Livingston Island in the South Shetland Islands, Antarctica.
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 located at .
This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.