Family name Petruzzi (Petruzzi 
) , globally, is quite a common cognomen. The last name Petruzzi is characteristic of Italy, where it is quite a rare surname, Luxembourg, and Argentina. Measured by absolute frequency, it is commonest in Italy, the United States, and Argentina. Much less frequently, Petruzzi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Petruzzi | Italy, United States, Argentina, France, Brazil |
| václav petruzzi 15.8.1700-31.3.1752 (b. 1700) |
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| peter petruzzi IT (b. 1799) |
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| paolo petruzzi (b. 1954) |
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| rocco petruzzi IT (b. 1956) |
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| jaime castillo petruzzi CL (b. 1957) |
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| fabio petruzzi Italian footballer, IT (b. 1970) |
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| massimo petruzzi researcher |
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| jim petruzzi college basketball player (1971–1973) St. Francis (NY) |
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| gerardo petruzzi researcher (ORCID 0000-0003-0371-7667) |
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| nicholas c. petruzzi Ph.D. Purdue University 1995 |
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