Family name Andreoni (Andreoni 
) , around the globe, is quite a rare surname. The cognomen Andreoni is characteristic of Italy, where it is quite a rare surname, Uruguay, and Argentina. Not in comparison with a country's population, it is commonest in Italy, Argentina, and Brazil. Much less frequently, Andreoni is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Andreoni | Brazil, Italy, France, United States, Argentina |
| giovanni battista andreoni Italian classical castrato singer, IT (b. 1720) |
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| orazio andreoni IT (b. 1840) |
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| luigi andreoni engineer and architect from Italy known for work in Uruguay (1853-1936), IT (b. 1853) |
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| antonio andreoni Italian writer (1859-1945) (b. 1859) |
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| antonio andreoni Italian politician (1866-1948), IT (b. 1866) |
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| elisa andreoni Righteous Among the Nations, IT (b. 1878) |
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serge andreoni French politician, FR (b. 1940) |
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giovanni andreoni IT (b. 1930) |
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| carlo andreoni Italian politician, IT (b. 1901) |
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| gildo andreoni Righteous Among the Nations, IT (b. 1902) |
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| cesare andreoni IT (b. 1903) |
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| rosa andreoni Righteous Among the Nations, IT (b. 1920) |
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| francisko andreoni IT (b. 1911) |
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| battista andreoni Italian footballer, IT (b. 1921) |
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| raffaello andreoni sentenced to death during the World War II, IT (b. 1924) |
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