Family name Arruza (Arruza 
) , around the globe, is a rare surname. The last name Arruza is habitual in Spain, where it is a rare surname, Argentina, and Venezuela, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Spain, the United States, and Argentina. Much less frequently, Arruza is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Arruza | Argentina, Spain, Venezuela, United States, Mexico |
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carlos arruza Mexican bullfighter (1920-1966), MX (b. 1920) |
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| manolo arruza Mexican torero, MX (b. 1955) |
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| luis arruza researcher |
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| ainhoa markinez arruza researcher |
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| josé arruza Spanish footballer |
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| daniel rementeria arruza |
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Ana, Maite, Miren, Ander, Angel, Amaia, Aitor, Betty, Ruben, Gorka, Linda, Lucas, Luuli, James, Jesus, Elena, Edith, Eddie, Fidel, Irune, Oscar, Zigor, Marta, Maria, Unai, Iker, Kim, Dan, Leo, Jon, Shae, Anne, Kara, Raul, Rosa, Dora, Marina, Greg, Javi, Jose, John, Joan, Juan, Tani, Tony, Nick, Hugo, Igor, Lisa, and Miryam