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Last name Saia (Saya
, Сая
, Saia
) , all around the world, is a common cognomen. The cognomen Saia is habitual in the Democratic Republic of the Congo, where it is quite a common surname, Estonia, where it is quite a rare surname, and Gabon. Not in comparison with a country's population, the name is most common in the Democratic Republic of the Congo, India, and Indonesia. Likewise, Saia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saya | India, Indonesia, Iraq, Democratic Republic of the Congo, Myanmar |
| Сая | Kazakhstan, Russia, Belarus, Azerbaijan, Kyrgyzstan |
| Saia | India, United States, Indonesia, Iraq, Italy |
| サイア | Japan |