San Stefano Peak (Bulgarian: връх Сан Стефано, romanized: vrah San Stefano, IPA: [ˈvrɤx sɐn stɛˈfano]) is a rocky peak rising to 256 m, the summit of Rugged Island off the west coast of Byers Peninsula of Livingston Island in the South Shetland Islands, Antarctica. Situated in the central part of the island, 3.48 km northeast of Benson Point, 4.17 km southeast of Cape Sheffield, 830 m south of Cherven Peak, 1.91 km west of Vund Point, and 1.58 km northwest of Radev Point.
The peak is "named after the settlement of San Stefano in connection with the homonymous Treaty that restored Bulgaria’s nationhood on 3 March 1878."[1]