Family name Castelhano (Castellano 
, Castelhano 
) , in the world, is a common last name. The surname Castelhano is characteristic of Monaco, where it is quite a common surname, Venezuela, and Argentina (explore the name in all countries). Measured by absolute frequency, the name is most common in Italy, Argentina, and Venezuela. Very seldom, Castelhano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Castellano | Italy, Spain, Argentina, United States, Venezuela |
| Castelhano | Brazil, Portugal, Spain, Argentina, United States |
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mário castelhano Portuguese journalist (1896-1940), PT (b. 1896) |
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| monica s castelhano researcher |
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| joão castelhano researcher |
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| luís castelhano researcher (ORCID 0000-0001-6501-6941) |
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| marta castelhano researcher ORCID ID = 0000-0003-4745-3691 |
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| nuno castelhano researcher ORCID ID = 0000-0001-8862-6558 |
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