Cognomen Pedernera (Pedernera 
) , worldwide, is a common family name. The surname Pedernera is habitual in Latin America and the Caribbean, particularly Argentina, where it is quite a common surname, Paraguay, where it is quite a rare surname, and Uruguay. Measured by absolute frequency, this name is the most popular in Latin America and the Caribbean, particularly Argentina, Paraguay, and Chile.
| VARIANT | COUNTRY |
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| Pedernera | Uruguay, Chile, Italy, Paraguay, Argentina |
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juan esteban pedernera Argentine politician and military officer, AR (b. 1796) |
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alfredo pedernera Argentine footballer and manager, AR (b. 1918) |
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wenceslao pedernera Argentinean wine worker; murdered, martyred (1936-1976), AR (b. 1936) |
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julio pedernera Argentinian association football player, AR (b. 1956) |
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gabriel pedernera Argentinian composer and drummer, AR (b. 1986) |
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| mariana pedernera researcher |
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| ernesto ceferino pedernera Argentinean association football player, AR (b. 1980) |
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| juan alfredo pedernera double-bassist, composer |
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| santiago la rosa pedernera |
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| ariel pedernera |
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