Surname Leiros (Leiros 
) , throughout the world, is a rare cognomen. The last name Leiros is habitual in Norway, where it is quite a rare surname, Luxembourg, and Portugal, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Brazil, Norway, and Spain. Much less frequently, Leiros is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Leiros | Norway, Spain, Portugal, Brazil, Argentina |
| peter leiros NO (b. 1866) |
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svein o. leiros Norwegian politician (b. 1969) |
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| ingar leiros researcher ORCID ID = 0000-0001-9333-4541 |
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| hanna-kirsti s leiros researcher |
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Mr, Lalo, Lais, Leni, Lola, Luis, Luiz, Jane, Jaco, Jose, Josi, John, Joao, Juan, Tore, Nair, Nina, Elca, Elza, Edna, Enio, Vivi, Gerd, Rita, Rick, Rose, Ms, Ana, Ada, Adi, Rui, Dan, Luz, Jã, Ely, Had, Iria, Fon, Ole, Yan, Mary, Maxi, Sara, Siri, Aage, Caua, Raul, Rosa, Ivo, and Ivan