Kotel Gap (Kotelska Sedlovina \'ko-tel-ska se-dlo-vi-'na\) is a saddle of elevation 660 m extending 1 km between Serdica Peak and Silistra Knoll in Levski Ridge, Tangra Mountains on Livingston Island in the South Shetland Islands, Antarctica. The saddle is part of the divide between the glacial catchments of Macy Glacier to the north and Boyana Glacier to the south.