Location of ʻUiha in the Haʻapai Islands
ʻUiha is an island in Lifuka district, in the Haʻapai islands of Tonga. It had a population of 638 in 2006 and an area of 5.36 km2 (2.07 sq mi). The island has two villages, ʻUiha and Felemea.
In September 2022 the island's electricity system was transition from a diesel generator to a solar-battery system with diesel backup.
Coordinates: 19°54′06″S 174°24′15″W / 19.90167°S 174.40417°W