Cognomen Benach (Benach 
, Банак 
) , all around the world, is a rare family name. The cognomen Benach is characteristic of Costa Rica, where it is a rare surname, Algeria, and Spain. In absolute terms, it is the most numerous in the United States, Algeria, and Spain. Likewise, Benach is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Benach | Morocco, Algeria, Spain, United States, India |
| Банак | Kazakhstan, Ukraine |
| felip teixidor i benach ES (b. 1895) |
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núria benach ES (b. 1961) |
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| jorge benach American medical researcher, US (b. 1946) |
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| jorge l benach researcher |
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| joan benach researcher |
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| xenia benach |
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