St. Kliment Ohridski Base (Bulgarian: База Св. Климент Охридски, Baza Sv. Kliment Ohridski \'ba-za sve-'ti 'kli-ment 'o-hrid-ski\) is a Bulgarian Antarctic base on Livingston Island in the South Shetland Islands.
The base, originally known as Sofia University Refuge or Hemus Base, was named in 1993 for Clement of Ohrid, a ninth- and tenth-century Bulgarian scholar and saint.
The base is located at 62°38′29″S 60°21′53″W / 62.64139°S 60.36472°WCoordinates: 62°38′29″S 60°21′53″W / 62.64139°S 60.36472°W, which is at an elevation of 12 to 15 m on Bulgarian Beach, 130 m inland from the shore of Emona Anchorage, between Pesyakov Hill and Sinemorets Hill, overlooking the Grand Lagoon. The base area is crossed by the melt-water Rezovski Creek in the summer, providing a water supply.