Last name Caldarella (Caldarella 
) , in all the world, is quite a rare cognomen. The family name Caldarella is characteristic of Italy, where it is quite a rare surname, Luxembourg, and Malta. Not in comparison with a country's population, this name is the most popular in Italy, the United States, and Argentina. Much less frequently, Caldarella is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Caldarella | Canada, France, Argentina, Italy, United States |
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benedicto caldarella Argentine motorcycle racer, AR (b. 1939) |
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| juan caldarella AR (b. 1891) |
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| mariano caldarella IT (b. 1895) |
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| paolo caldarella Italian water polo player, IT (b. 1964) |
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| rosalia caldarella researcher |
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| angelo vincenzo caldarella Ph.D. Università di Bari 2008 |
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| orazio caldarella botanist |
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| carmelo caldarella researcher |
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| adele caldarella researcher |
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