阿却尔纳岛是南极洲的岛屿，位于肯普地，处于绍拉岛以西2公里，属于厄于加伦岛群的一部分，长2公里，根据挪威探险队拍摄的空中照片绘入地图，现时由南极条约体系管理。

•  本条目引用的公有领域材料来自美国地质调查局的文档《阿却尔纳岛》(数据来自地名信息系统)。

Achernar Island (66°58′S 57°12′E / 66.967°S 57.200°E / -66.967; 57.200), also known as Utöy, is an island 2.8 kilometres (1.5 nmi) long, lying 1.9 kilometres (1 nmi) west of Shaula Island in the Øygarden Group. Mapped by Norwegian cartographers from aerial photos taken by the Lars Christensen Expedition, 1936–37, and named Utoy (the outer island). The group was first visited by an ANARE (Australian National Antarctic Research Expeditions) party in 1954; the island was renamed by ANCA after the star Achernar, which was used for an astrofix in the vicinity.