Surname Buiza (Buiza 
) , in the world, is quite a rare family name. The cognomen Buiza is characteristic of Peru, where it is quite a rare surname, Philippines, and Spain, where it is a rare surname. Very seldom, Buiza is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Buiza | Spain, Saudi Arabia, United States, Peru, Philippines |
| francisco buiza Spanish sculptor (1922-1983), ES (b. 1922) |
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| carlos buiza Spanish writer, ES (b. 1940) |
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| nanci buiza researcher |
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| alfonso toro buiza Spanish architect, ES |
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| cynthia buiza writer, PH |
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