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Family name Abuin (Abuin
, Abuín
) , all over the world, is quite a rare cognomen. The cognomen Abuin is characteristic of Argentina, where it is quite a rare surname, Spain, and Chile, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Argentina, Spain, and the United States. Much less frequently, Abuin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Abuin | Argentina, United States, Spain, Mexico, Colombia |
| Abuín | Spain |