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Surname Trosini (Trosini
) , in the entire world, is a very rare cognomen. The cognomen Trosini is habitual in Italy, where it is a rare surname, Argentina, where it is a very rare surname, and France, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Italy, Argentina, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Trosini | United Kingdom, Argentina, United States, France, Italy |