Kilifarevo Island (Bulgarian: остров Килифарево, ‘Ostrov Kilifarevo’ 'os-trov ki-li-'fa-re-vo) is an ice-free island in the Aitcho group on the west side of English Strait in the South Shetland Islands, Antarctica. The island is situated 850 m (930 yd) northwest of Jorge Island, 460 m (500 yd) north of Riksa Islands and 350 m (380 yd) southeast of Morris Rock. Extending 640 by 350 m (700 by 380 yd), surface area 11 hectares (27 acres).