Cognomen Valerga (Valerga 
) , in the world, is quite a rare family name. The last name Valerga is habitual in Argentina, where it is quite a rare surname, Peru, where it is a rare surname, and Greece. Not in comparison with a country's population, it is the most numerous in Argentina, the United States, and Peru. Very seldom, Valerga is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Valerga | Spain, United States, Argentina, Greece, Peru |
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giuseppe valerga Italian Roman Catholic cleric, IT (b. 1813) |
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charles hyacinth valerga Italian priest, IT (b. 1818) |
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| diego valerga Argentine chess player, AR (b. 1971) |
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| p. valerga researcher ORCID ID = 0000-0001-5669-621X |
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| ana pilar valerga researcher (ORCID 0000-0001-8783-4195) |
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Mr, Leda, Luis, Jose, Josh, John, Juan, Tony, Nair, Nora, Elsa, Elva, Elba, Elda, Edit, Eric, Emma, Etel, Hugo, Vane, Ines, Irma, Dora, Dave, Rick, Rich, Fo, Mer, Ana, Ada, Kim, Dan, Lia, Jay, Eva, Ida, Olga, Mary, Sara, Sean, Aldo, Anna, Agus, Cami, Blas, Paul, Raul, Rosa, Mili, and Xime