斯芬克斯岛是南极洲的岛屿，位于葛拉汉地，处于洛基角以北的巴里拉里湾入口处，长3.7公里、宽1.9公里，由英国探险队发现和命名，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 《斯芬克斯岛》(数据来自地名信息系统)。

Sphinx Island (65°54′S 64°53′W / 65.900°S 64.883°W / -65.900; -64.883) is an island 2 nautical miles (3.7 km) long and 1 nautical mile (1.9 km) wide, having a bare rocky summit with vertical faces on all four sides, lying in the entrance to Barilari Bay north of Loqui Point on Velingrad Peninsula, Graham Land in Antarctica. Discovered and named by the British Graham Land Expedition (BGLE), 1934–37, under Rymill.