Cognomen Ruzza (Ruzza 
) , around the globe, is quite a common last name. The surname Ruzza is habitual in Italy, where it is quite a rare surname, Venezuela, where it is a rare surname, and Brazil. Much less frequently, Ruzza is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ruzza | Italy, France, Venezuela, Brazil, United States |
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gianrico ruzza Italian Catholic Bishop, IT (b. 1963) |
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jean-marc ruzza French radio host and television presenter, FR (b. 1970) |
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| bruno ruzza Italian association football player, IT (b. 1926) |
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federico ruzza Italian rugby union player, IT (b. 1994) |
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| carlo ruzza (b. 1952) |
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| sandra oblitas ruzza Venezuelan electoral official (b. 1969) |
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| mirko ruzza researcher |
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| paolo ruzza researcher |
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| alessandro ruzza researcher |
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| sara di ruzza Ph.D. 2010 |
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| iliana ruzza Venezuelan official, VE |
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| andrea ruzza researcher |
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| chiara ruzza researcher |
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| benedetto di ruzza particle physicist |
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| giuseppe ruzza researcher (ORCID 0000-0002-8812-9639) |
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