Hoatsin Island (Bulgarian: остров Хоацин, romanized: ostrov Hoatsin, IPA: [ˈɔstrof hoɐˈt͡sin]) is the mostly ice-free island 795 m long in southeast–northwest direction and 360 m wide in the Dannebrog Islands group of Wilhelm Archipelago in the Antarctic Peninsula region.

Its surface area is 16.85 ha.

[1] The feature is so named because of its shape supposedly resembling a hoatzin bird ('hoatsin' in Bulgarian), and in association with other descriptive names of islands in the area.

This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.

This Wilhelm Archipelago location article is a stub.