Family name Pomposo (Pomposo 
) , around the globe, is quite a rare last name. The cognomen Pomposo is habitual in Mexico, where it is quite a rare surname, Portugal, where it is a rare surname, and Spain. Measured by absolute frequency, it is the most numerous in Mexico, Philippines, and Spain. Much less frequently, Pomposo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Pomposo | Philippines, Mexico, Spain, Italy, United States |
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margarito pomposo Mexican long-distance runner, MX (b. 1910) |
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| javier castañeda pomposo Mexican politician, MX (b. 1967) |
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| josé a. pomposo researcher at University of the Basque Country |
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| alexandre serge françois pomposo Ph.D. Université Libre de Bruxelles 1985 |
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