阿德默勒尔蒂群岛（Admiralty Islands）是位于太平洋西南的岛群，属于俾斯麦群岛的一部分。位于新几内亚东北海洋中。包括主岛马努斯岛和其他23个火山岛、珊瑚岛。陆地面积2072平方公里。人口约2.8万。行政上属于巴布亚新几内亚马努斯省。大部为茂密的雨林所覆盖，最高点海拔914米，很多环礁无人居住。阿德默勒尔蒂群岛气温全年变化不大，一般白天最高气温为30–32°C (86–90°F)，而夜间则为20–24°C (68–75°F)。年平均降雨量为3,382 mm。主要经济活动是渔业和农业。并采集海参和珍珠。输出椰干。

The Admiralty Islands are an archipelago group of eighteen islands in the Bismarck Archipelago, to the north of New Guinea in the South Pacific Ocean. These are also sometimes called the Manus Islands, after the largest island.

These rainforest-covered islands form part of Manus Province, the smallest and least-populous province of Papua New Guinea, in its Islands Region. The total area is 2,100 km (810 sq mi). Many of the Admiralty Islands are atolls and uninhabited.