Sliven Peak (Bulgarian: връх Сливен, romanized: vrah Sliven, IPA: [ˈvrɤx ˈslivɛn]) rises to 530 m in the east extremity of Melnik Ridge, Livingston Island in the South Shetland Islands, Antarctica. The peak has precipitous rocky southern slopes and partly ice-free northern slopes, overlooking Kaliakra Glacier to the northwest and Struma Glacier to the south and east.