Surname Guerreño (Guerreño 
) , all around the world, is quite a rare cognomen. The last name Guerreño is habitual in Paraguay, where it is quite a common surname, Argentina, where it is quite a rare surname, and Afghanistan, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Guerreño | Mexico, Paraguay, Spain, Argentina, Afghanistan |
| amanda guerreño Argentinian composer, AR (b. 1933) |
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| gustavo guerreño Paraguayan footballer (b. 1991) |
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| carlos guerreño Paraguayan association football player, PY (b. 1995) |
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Fa, Imar, Olga, Omar, Maria, Mario, Marta, Mauro, Mirta, Mirna, Santi, Sixto, Selva, Sonia, Andre, Angel, Ariel, Carla, Celia, Celsa, Cesar, Clara, Ivan, Ilda, Irma, Hugo, Ana, Luz, Sara, Alan, Aldo, Aixa, Cami, Pura, Raul, Rosa, Berta, Rita, Dora, Luis, Jose, Juan, Tito, Nery, Elsa, Elba, Elda, Edit, Ruth, and Berto