Cognomen Valentinuzzi (Valentinuzzi 
) , in the world, is a rare last name. The surname Valentinuzzi is habitual in Southern Europe, particularly Slovenia, where it is quite a rare surname, Serbia, where it is a rare surname, and Italy. In absolute terms, it most frequently occurs in Italy, Argentina, and Serbia. Much less frequently, Valentinuzzi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Valentinuzzi | Italy, France, Serbia, Argentina, Slovenia |
| giorgio valentinuzzi Italian association football player (1931-2019), IT (b. 1931) |
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| guido valentinuzzi (b. 1930) |
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| fabio valentinuzzi researcher |
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| damijan valentinuzzi researcher (ORCID 0000-0003-1397-3170) |
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| damijan valentinuzzi SI |
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| max valentinuzzi AR |
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| katja uršič valentinuzzi SI (b. 1990) |
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Mr, Irma, Ivan, Olga, Omar, Yvan, Maria, Marta, Marco, Mauro, Mabel, Alida, Alfio, Angel, Ariel, Carlo, Berni, Bruno, Paula, Paulo, Emma, Enzo, Edna, Elsa, Max, Ana, Arq, Fer, Aldo, Anna, Abel, Rosa, Rene, Pablo, Gael, Lais, Leda, Lina, Lisa, Luca, Luis, Luka, Jose, Juan, Lara, and Paolo