Cognomen Hernáiz (Hernáiz 
) , in all the world, is a very rare surname. The family name Hernáiz is characteristic of Spain, where it is a very rare surname, and Mexico, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Hernáiz | Mexico, Spain |
| francisco hernáiz US (b. 1797) |
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| josé trías hernáiz ES (b. 1841) |
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| ferran bello hernáiz ES (b. 1953) |
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| josé antonio merino hernáiz Spanish politician, ES |
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| rodrigo hernáiz ES |
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Ana, Jesús, Eimara, Félix, Iñaki, Roberto, Ricardo, Lourdes, Héctor, Vicente, Víctor, Ignacio, Cristina, Victoria, Fernando, Amaryllis, Lucía, Verónica, Rubén, Ramón, Jose, Juan, Maria, Marta, Marco, Laura, José, Jorge, Nacho, María, Miguel, Silvia, Sergio, Carlos, Belén, Raquel, and Francisco