Iskar Glacier (Iskarski Lednik \'is-k&r-ski 'led-nik\) is a glacier in Livingston Island, South Shetland Islands in Antarctica situated southeast of lower Huron Glacier, west-southwest of Sopot Ice Piedmont, and north of Dobrudzha and Magura Glaciers. It drains the north slopes of the Tangra Mountains between Helmet Peak to the west and Delchev Peak to the east, and flows northward into Bruix Cove between Yana Point and Rila Point.
The feature is named after the Iskar River in western Bulgaria.
Iskar Glacier is centred at 62°38′20″S 59°59′20″W / 62.63889°S 59.98889°WCoordinates: 62°38′20″S 59°59′20″W / 62.63889°S 59.98889°W. Bulgarian mapping in 2005 and 2009.