Family name Retamozo (Retamozo 
) , all around the world, is a common cognomen. The last name Retamozo is habitual in Latin America and the Caribbean, particularly Peru, where it is quite a common surname, Paraguay, and Argentina. Much less frequently, Retamozo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Retamozo | Bolivia, Colombia, Paraguay, Peru, Argentina |
| abelardo villalpando retamozo Bolivian politician (b. 1909) |
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javier retamozo Argentine keyboardist, AR (b. 1972) |
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| josé hilário retamozo Brazilian writer and poet (1940-2004), BR (b. 1940) |
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| soledad retamozo researcher (ORCID 0000-0003-0075-4454) |
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| maría cristina retamozo lezama PE (b. 1983) |
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