Last name Cornetta (Cornetta 
) , across the world, is a rare cognomen. The last name Cornetta is characteristic of Uruguay, where it is a rare surname, Argentina, and Austria. In absolute terms, this name is the most popular in the United States, Brazil, and Argentina. Much less frequently, Cornetta is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Cornetta | Brazil, Argentina, United States, Poland, Uruguay |
| george cornetta American long-distance runner, US (b. 1894) |
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| robert cornetta American judge (b. 1951) |
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| t. cornetta researcher |
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| gianluca cornetta Researcher, ORCID: 0000-0001-8614-079X |
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| kenneth g. cornetta professor of clinical medical & molecular genetics |
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| maria da conceição de mesquita cornetta researcher |
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| lucas cornetta researcher |
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