Aiwo (rarely Aiue, in earlier times Yangor) is a district in the Pacific country of Nauru.

It covers an area of 1.1 square kilometres (0.42 sq mi)[citation needed] and has a population of 1,258.

Among the facilities in Aiwo are: The district returns two members to the Parliament of Nauru in Yaren.

The two diplomatic missions on the island, the Australian High Commission and the Republic of China (Taiwan) Embassy are in Aiwo District.

[9] René Harris, who served a number of terms as President of Nauru, represented Aiwo in Parliament for many years.