Cognomen Aínsa (Aínsa 
) , in the entire world, is a very rare family name. The cognomen Aínsa is characteristic of Southern Europe, particularly Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Aínsa | Spain |
| aniceto de aínsa (b. 1640) |
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| rodolfo aínsa escartín Spanish politician (1944-2021), ES (b. 1944) |
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| josé a aínsa researcher |
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