Cognomen Marcenaro (Marcenaro 
) , around the globe, is quite a rare family name. The cognomen Marcenaro is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is quite a rare surname, Uruguay, and El Salvador. In absolute terms, it is commonest in Italy, Argentina, and Nicaragua. Much less frequently, Marcenaro is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Marcenaro | Peru, Argentina, Nicaragua, Italy, El Salvador |
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caterina marcenaro IT (b. 1906) |
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| carlos marcenaro Peruvian middle-distance runner, PE (b. 1912) |
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| giuseppe marcenaro Italian writer and essayist (1942-), IT (b. 1942) |
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| ricardo marcenaro Peruvian politician and lawyer, PE (b. 1946) |
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| pietro marcenaro Italian politician, IT (b. 1946) |
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| óscar marcenaro association football player, UY (b. 1950) |
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| nelson marcenaro Uruguayan footballer (1952-2021), UY (b. 1952) |
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| roland marcenaro Uruguayan association football player, UY (b. 1963) |
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| simone marcenaro Italian romance philologist (1978-), IT (b. 1978) |
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| emanuela marcenaro researcher (ORCID 0000-0003-4103-7566) |
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| stefania marcenaro researcher |
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| mario marcenaro IT |
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| matteo marcenaro IT |
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Mr, Raul, Rosa, Dora, Gian, Luca, Luis, Jose, Juan, Nery, Elsa, Elva, Eric, Emma, Hugo, Flor, Irma, Ilda, Olga, Ozzy, Yael, Maria, Paul, Ciro, Axel, Aura, Ms, Ro, Ana, Amy, Ada, Lia, Luz, Eva, Ido, Mary, Marie, Mara, Saul, Simo, Sole, Alex, Alan, Alba, Aldo, Anna, Abel, Aida, Sara, and Mario