Family name Cubillas (Cubillas 
) , all over the world, is quite a common surname. The last name Cubillas is characteristic of Latin America and the Caribbean, particularly Peru, where it is quite a rare surname, Paraguay, and Honduras. Not in comparison with a country's population, it is commonest in Philippines, Peru, and Mexico. Much less frequently, Cubillas is the forename as well as the last name.
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| Cubillas | Mexico, Argentina, Peru, Spain, Philippines |
| modesto cubillas ES (b. 1820) |
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teófilo cubillas Peruvian footballer, PE (b. 1949) |
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| hernán pérez cubillas Spanish lawyer, ES (b. 1905) |
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| rogelio pérez cubillas (b. 1902) |
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| óscar cubillas Peruvian composer, PE (b. 1938) |
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| enrique clemente cubillas Spanish university teacher and politician (1942-2016), ES (b. 1942) |
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| joel cubillas Paraguayan footballer, PY (b. 1958) |
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| arturo cubillas Spanish exile, ES (b. 1964) |
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| juan carlos cubillas Panamanian association football player, PA (b. 1971) |
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| roberto cubillas (b. 1968) |
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| pablo cubillas researcher ORCID ID = 0000-0002-5839-8918 |
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| diego sánchez cubillas Spanish, dead in Nazi concentration camp, ES |
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| juan josé cubillas researcher |
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| carmelo p cubillas researcher ORCID ID = 0000-0002-2012-7071 |
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| mario miguel carrillo cubillas Mexican politician |
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