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Globally, Iaia (Iaia , Яя , ايايا ) is quite a rare dominantly masculine, but infrequently female forename. The given name Iaia is habitual in Guinea-Bissau, where it is quite a common male name, Guinea, where it is quite a rare male name, and Portugal, where it is a rare male name. Not in comparison with a country's population, it is commonest in Guinea-Bissau, Italy, and Guinea. Likewise, Iaia is the last name as well as the forename.