Cognomen Petrozzi (Petrozzi 
) , across the world, is quite a rare family name. The cognomen Petrozzi is habitual in Italy, where it is quite a rare surname, Peru, where it is a rare surname, and Argentina. In absolute terms, it is commonest in Italy, the United States, and Peru.
| VARIANT | COUNTRY |
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| Petrozzi | Italy, France, United States, Argentina, Peru |
| rinaldo petrozzi Italian association football player, IT (b. 1911) |
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clara petrozzi Finnish composer, FI (b. 1965) |
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francesco petrozzi PE (b. 1962) |
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| plinio petrozzi Italian association football player, IT (b. 1927) |
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| elvira petrozzi IT (b. 1937) |
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| lucia petrozzi researcher |
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| marco john petrozzi researcher |
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| luca petrozzi rugby union player, GB (b. 1995) |
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