Last name Asiaín (Asiaín 
) , in the entire world, is a very rare surname. The cognomen Asiaín is characteristic of Spain, where it is a very rare surname, and Mexico, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Asiaín | Mexico, Spain |
| joaquín asiaín (b. 1758) |
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| carmen asiaín Uruguayan politician, UY (b. 1965) |
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| miguel sánchiz de asiaín bishop of the Roman Catholic Church |
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