土布艾群岛（Tubuai Islands），位于法属玻里尼西亚南部，其与巴斯群岛（Bass Islands）一样，都是南方群岛（Austral Islands）的一部份。

Tubuai or Tupua'i is the main island of the Tubuai Island group, located at 23°23′00″S 149°27′00″W / 23.38333°S 149.45000°W / -23.38333; -149.45000, 640 km (400 mi) south of Tahiti. In addition to Tubuai, the group of islands include Rimatara, Rurutu, Raivavae and the uninhabited Îles Maria. They are part of the Austral Islands in the far southwest of French Polynesia in the south Pacific Ocean. Tubuai island sustains a population of 2,170 people on 45 km² of land. Due to its southerly position, Tubuai has notably cooler weather than Tahiti.