Kardam Buttress (Kardamov Rid \kar-'da-mov 'rid\) is a sloping buttress projecting 1 km northwards from St. Ivan Rilski Col into Huron Glacier on Livingston Island in the South Shetland Islands, Antarctica, and has precipitous and partly ice-free western slopes. Surmounting Huron Glacier to the north. It is named after the Bulgarian ruler Khan Kardam.