Cognomen Casaponsa (Casaponsa 
) , around the world, is a very rare last name. The surname Casaponsa is characteristic of Spain, where it is a rare surname, and Brazil, where it is an extremely rare surname. Also, Casaponsa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Casaponsa | Brazil, Spain |
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francesca casaponsa ES (b. 1906) |
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| marc marcè casaponsa Spanish journalist, ES (b. 1963) |
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| cristina masanés casaponsa Spanish writer, ES (b. 1965) |
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| aina casaponsa researcher |
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| miquel casaponsa BE |
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