Cognomen Lorenzoni (Lorenzoni 
) , throughout the world, is quite a common last name. The surname Lorenzoni is characteristic of Italy, where it is quite a rare surname, Austria, and Brazil. Not in comparison with a country's population, this name is the most popular in Italy, Brazil, and Argentina. Much less frequently, Lorenzoni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lorenzoni | Austria, Argentina, France, Brazil, Italy |
| vincenzo lorenzoni politician, SM (b. 1583) |
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pietro antonio lorenzoni Italian painter (1721-1782), IT (b. 1721) |
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| antonio lorenzoni Italian jurist (1755-1840), IT (b. 1755) |
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giuseppe lorenzoni Italian astronomer and scientist, IT (b. 1843) |
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| giovanni lorenzoni author (1801-2000) (b. 1801) |
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giovanni lorenzoni Italian economist, IT (b. 1873) |
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| franco luigi lorenzoni Italian politician (b. 1827) |
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| pietro lorenzoni Italian lawyer (1830-1916), IT (b. 1830) |
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maria assunta lorenzoni Italian partisan and red cross employee (1918-1944), IT (b. 1918) |
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| giovanni lorenzoni Friulian linguist and poet (b. 1884) |
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| franz lorenzoni Austrian politician (1890-1948), AT (b. 1890) |
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| giovanni lorenzoni IT (b. 1884) |
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| renzo lorenzoni IT (b. 1887) |
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| eleonora zanettin lorenzoni author (20th century) (b. 1901) |
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| anna maria lorenzoni Italian archivist, IT (b. 1901) |
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