Cognomen Gregoretti (Gregoretti 
) , across the world, is a rare surname. The last name Gregoretti is characteristic of Italy, where it is a rare surname, Romania, and Argentina, where it is a very rare surname. In absolute terms, it most frequently occurs in Italy, the United States, and Romania. Very seldom, Gregoretti is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Gregoretti | Romania, Italy, United States, Argentina, Brazil |
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ugo gregoretti Italian film, television and stage director, actor, screenwriter, author and television host, IT (b. 1930) |
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| adolfo gregoretti IT (b. 1915) |
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| lucio gregoretti Italian composer, IT (b. 1961) |
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| francesco gregoretti researcher |
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| carlo gregoretti researcher ORCID ID = 0000-0002-5855-9937 |
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| lucilla gregoretti researcher |
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| cesare gregoretti researcher |
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| orsetta gregoretti Italian actress, IT |
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| luciano gregoretti Italian film director and screenwriter, IT |
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Mr, Marco, Mihut, Shana, Susan, Carlo, Cindy, Bruno, Karen, Keith, Paulo, Paola, Peter, Dolly, Laura, Livia, Lucia, Lucio, James, Edino, Henry, Helen, Mario, Marina, Marie, Omar, Sue, Lis, Lia, Jim, Tom, Ivo, Ugo, Mark, Maha, Mike, Sara, Caio, Raul, Dana, Gary, Lucy, Luis, John, Tina, Erin, Ivan, Maria, and Martin