Petrelik Island (Bulgarian: остров Петрелик, romanized: ostrov Petrelik, IPA: [ˈɔstrof pɛtrɛˈlik]) is a rocky island in the southwest part of Hamburg Bay on the northwest coast of Anvers Island in the Palmer Archipelago, Antarctica. The feature is 380 m long in southwest-northeast direction and 200 m wide, and is separated from Emen Island to the southeast by a 160 m wide passage.