Last name Valenzano (Valenzano 
) , across the world, is quite a rare family name. The last name Valenzano is habitual in Paraguay, where it is quite a rare surname, Italy, and Luxembourg. In absolute terms, it most frequently occurs in Italy, the United States, and Paraguay. Very seldom, Valenzano is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Valenzano | Italy, Argentina, United States, France, Paraguay |
| joannes maria valenzano IT (b. 1750) |
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gino valenzano Italian racing driver, IT (b. 1920) |
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| salvatore da valenzano friar (1883-1937) (b. 1883) |
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piero valenzano IT (b. 1925) |
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| giovanna valenzano art historian (20th century) (b. 1901) |
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| giuseppe valenzano Italian equestrian (b. 1904) |
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nicola valenzano Italian actor, IT (b. 1962) |
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| raffaele valenzano IT (b. 1917) |
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| pietro valenzano Italian association football player, IT (b. 1940) |
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| giovanna valenzano (b. 1961) |
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| dario riccardo valenzano Italian biologist (1977-), IT (b. 1977) |
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| loredana valenzano researcher |
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| richard valenzano Ph.D. University of Alberta 2014 |
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| marcello antonio valenzano American record producer, US |
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| anna valenzano researcher |
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