Cognomen Palazzi (Palazzi 
) , in the world, is quite a common family name. The surname Palazzi is habitual in Italy, where it is quite a common surname, Argentina, where it is a rare surname, and France. In absolute terms, it is the most numerous in Italy, the United States, and France. Very seldom, Palazzi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Palazzi | Brazil, Argentina, France, United States, Italy |
| francesco palazzi IT (b. 1533) |
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| giovanni palazzi Italian historian (1640-1703), IT (b. 1640) |
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| giovanni palazzi 1646-1703 (b. 1646) |
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| agostino palazzi Italian Jesuit and dramatist, IT (b. 1725) |
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| giuseppe palazzi Italian architect, 1740-1810, IT (b. 1740) |
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ángel santos palazzi Venezuelan military personnel, VE (b. 1877) |
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| gaetano palazzi Italian painter (1832-1892) (b. 1832) |
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raffaelangelo palazzi Italian bishop (1886-1961), IT (b. 1886) |
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| john baptist palazzi (b. 1837) |
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| assunta palazzi (b. 1848) |
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| elmo palazzi Italian sculptor (1871-1915), IT (b. 1871) |
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| fernando palazzi Italian writer (1884-1962), IT (b. 1884) |
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antonio palazzi IT (b. 1936) |
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| osvaldo palazzi Italian artistic gymnast, IT (b. 1900) |
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| silvio palazzi (b. 1892) |
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