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Family name Penaia (Penaia
) , in the world, is a very rare cognomen. The cognomen Penaia is characteristic of New Zealand, where it is a rare surname, Australia, where it is a very rare surname, and Malaysia. Not in comparison with a country's population, it is commonest in Australia, the United States, and New Zealand. More prevalently, Penaia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Penaia | Malaysia, New Zealand, Australia, United States, Fiji |