Krusenstern Island (and similar names) is a toponym honoring the Baltic German explorer Adam Johann von Krusenstern (1770–1846). It may refer to a number of places in the Pacific Ocean:
Little Diomede Island (Inupiaq: Iŋaliq), Alaska, United States Ailuk Atoll, Marshall Islands Tikehau, Tuamotu Archipelago in French Polynesia Krusenstern Islands, a small group of islands in the Middendorff Bay Krusenstern Island" or "Krusenstern Reef," a phantom island in the Northwestern Hawaiian Islands
See also Krusenstern (disambiguation)