Cognomen Mastrogiovanni (Mastrogiovanni 
) , globally, is quite a rare surname. The cognomen Mastrogiovanni is characteristic of Italy, where it is quite a rare surname, Uruguay, and Belgium, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Italy, the United States, and Argentina. Very seldom, Mastrogiovanni is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mastrogiovanni | Belgium, Italy, United States, Argentina, Brazil |
| antonio mastrogiovanni Uruguayan composer, UY (b. 1936) |
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| pietro paleologo mastrogiovanni (b. 1931) |
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| francesco mastrogiovanni IT (b. 1951) |
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| marilù mastrogiovanni Italian writer, IT (b. 1969) |
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| fulvio mastrogiovanni researcher (b. 1977) |
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| s mastrogiovanni researcher |
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| marta mastrogiovanni researcher |
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| fabio mastrogiovanni researcher (ORCID 0000-0003-4858-7501) |
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