Family name Arnáez (Arnáez 
) , worldwide, is a very rare cognomen. The family name Arnáez is characteristic of Spain, where it is a very rare surname, Costa Rica, and Argentina. In absolute terms, it is the most numerous in Spain, Argentina, and Peru.
| VARIANT | COUNTRY |
|---|---|
| Arnáez | Argentina, Costa Rica, Peru, Venezuela, Spain |
|
peio arnáez Spanish actor, ES (b. 1959) |
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| luis diego arnáez Costa Rican football player and manager, CR (b. 1967) |
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| josé arnáez researcher |
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| pilar arnáez researcher |
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| dolors luján arnáez |
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| alfonso arnáez association football player, CR |
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Mª, Belén, Karina, Javier, Teresa, Marcelo, Mónica, Carlos, Rodrigo, Enrique, Álvaro, Santiago, Cristina, Virginia, Fernando, Eduardo, Alaine, Miguel, Oscar, Ana, Pau, Eva, Asun, Luis, Jose, Tere, Eimy, Bruno, Pablo, Diego, Lilia, José, Jorge, Elena, Isabelle, and Matías Gabriel