Cognomen Hontoria (Hontoria 
) , in the world, is a rare last name. The cognomen Hontoria is characteristic of Spain, where it is a rare surname, Philippines, and Portugal, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Spain, Philippines, and the United States. Also, Hontoria is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Hontoria | Philippines, Spain, Colombia, United States, Venezuela |
| leocadio hontoria (b. 1966) |
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| chiquinquirá hontoria researcher |
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| l. hontoria researcher ORCID ID = 0000-0003-3844-7038 |
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| francisco hontoria Spanish carcinologist, ES |
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| francisco hontoria researcher |
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| horacio rodrÃguez hontoria researcher ORCID: 0000-0002-5314-6631 |
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