Cognomen Troise (Troise 
) , globally, is quite a rare surname. The cognomen Troise is habitual in Italy, where it is quite a rare surname, Uruguay, where it is a rare surname, and Argentina. In absolute terms, it is the most numerous in Italy, the United States, and Brazil. Very seldom, Troise is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Troise | Italy, Brazil, United States, Argentina, France |
| pablo troise Uruguayan lawyer and judge, UY (b. 1936) |
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| antonella troise Italian Intenational actress, IT (b. 1977) |
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| emanuele troise Italian footballer, IT (b. 1979) |
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| ciccio troise association football player |
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| antonio dario troise researcher |
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| claudia troise researcher ORCID ID = 0000-0001-6555-5777 |
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| lauriane troise French politician |
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| andré troise French political activist and architect |
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| g troise researcher |
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| e. troise American artist |
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