Pritchardia pacifica, the Fiji fan palm, or piu, is a species of palm tree in the genus Pritchardia that is native to Tonga. It is also found in Fiji, Samoa, and the north-eastern part of India (especially in the tribal areas of Arunachal Pradesh, where people use it as thatched roofing), and the Marquesas. However, these populations are likely to be human introductions.

This species is found in tropical dry forests.

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