Cognomen Avendaño (Avendaño 
, Avendano , Авенданьо 
) , throughout the world, is a widespread last name. The cognomen Avendaño is characteristic of Latin America and the Caribbean, particularly Colombia, where it is quite a common surname, Costa Rica, and Chile (explore the name in all countries). Not in comparison with a country's population, it is commonest in Latin America and the Caribbean, particularly Mexico, Colombia, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Avendano, Avendaño | Mexico, Chile, Colombia, Argentina, Venezuela |
| Авенданьо | Russia, Ukraine |
| francisco de zamudio y avendaño Roman Catholic bishop, ES (b. 1570) |
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| fernando de avendaño Catholic priest, PE (b. 1577) |
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| diego de avendaño Spanish Jesuit academic, ES (b. 1594) |
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| francisco de avendaño (b. 1592) |
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| antonio cabreros avendaño (b. 1609) |
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serafín avendaño Spanish painter (1837-1916), ES (b. 1837) |
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| joaquín avendaño Spanish educationist (1812-1886), ES (b. 1812) |
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josé albertazzi avendaño Costa Rican politician, writer and lawyer (1892-1967), CR (b. 1892) |
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víctor avendaño boxer, AR (b. 1907) |
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gilberto alzate avendaño Colombian journalist, lawyer and politician (1910-1960), CO (b. 1910) |
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josé avendaño Chilean footballer, CL (b. 1912) |
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| pedro cárdenas avendaño Chilean politician, CL (b. 1878) |
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jaime abdul gutiérrez avendaño Salvadoran politician (1936-2012), SV (b. 1936) |
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| ernesto soto avendaño Argentine sculptor, AR (b. 1886) |
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| guillermo flores avendaño President of Guatemala (1894-1992), GT (b. 1894) |
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