Tamarua is a Cook Islands electoral division, with one representative in the Cook Islands Parliament.

Its current representative is Tetangi Matapo, who has held the seat since winning a by-election in 2013.

The electorate consists of the district of Tamarua on the island of Mangaia.

It was created in 1981, when the Constitution Amendment (No.

Unless otherwise stated, all MPs terms began and ended at general elections.