Cognomen Cavestany (Cavestany 
) , around the world, is a rare last name. The family name Cavestany is habitual in Uruguay, where it is a rare surname, Philippines, and Spain. In absolute terms, it is the most numerous in Philippines, Spain, and the United States. Very seldom, Cavestany is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Cavestany | Philippines, United States, Portugal, Spain, Uruguay |
| juan antonio cavestany y gonzález nandín Spanish writer and politician, ES (b. 1862) |
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| julio cavestany de anduaga Spanish art historian, ES (b. 1883) |
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| rafael cavestany anduaga Spanish politician (1902-1958), ES (b. 1902) |
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rob cavestany (b. 1968) |
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| juan cavestany ES (b. 1967) |
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| daniel cavestany researcher |
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