Zemen Knoll (Zemenska Mogila \'ze-men-ska mo-'gi-la\) is a peak of 453 m in the Vidin Heights on Varna Peninsula, Livingston Island in the South Shetland Islands, Antarctica. The knoll overlooks Kaliakra Glacier to the southeast, and Saedinenie Snowfield to the northwest and west. The feature is named after the town of Zemen in Western Bulgaria.
First ascent by Lyubomir Ivanov from Camp Academia on 25 December 2004, as part of Tangra 2004/05 survey.