Cognomen Riccetto (Riccetto 
) , in the world, is a rare last name. The cognomen Riccetto is characteristic of Latin America and the Caribbean, particularly Uruguay, where it is quite a rare surname, Brazil, where it is a very rare surname, and Argentina. Measured by absolute frequency, it is commonest in Uruguay, Brazil, and Italy. Very seldom, Riccetto is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Riccetto | Brazil, Italy, Argentina, United States, Uruguay |
| zelmar riccetto Uruguayan writer, UY (b. 1909) |
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| maría nélida riccetto Uruguayan writer, UY (b. 1924) |
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maría noel riccetto ballet dancer, UY (b. 1980) |
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| eduardo riccetto researcher (ORCID 0000-0002-1137-8709) |
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| adriana gut riccetto researcher (ORCID 0000-0002-1330-3591) |
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| cassio riccetto researcher ORCID ID = 0000-0002-2428-3071 |
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Mr, Bruno, Paula, Pablo, Pedro, Ramon, Renan, Diego, Gerry, Laura, Lucia, Lucas, Luisa, Luiza, Josue, Vicky, Fabio, Inés, Ignez, Marisa, Martin, Marcos, Cidio, Cesar, Celma, Adela, Ms, Ana, Isa, Caio, Raul, Rosa, Luiz, Luma, Luli, Jayr, Marcia, Jose, Juan, Olga, Maria, Marco, Marly, Marã, Mauro, Selma, Aline, Andre, Joao, and María