Cognomen De Carlo (De Carlo 
) , in the entire world, is quite a common family name. The cognomen De Carlo is characteristic of Italy, where it is quite a rare surname, Argentina, and Uruguay, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Italy, Argentina, and the United States.
| VARIANT | COUNTRY |
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| De Carlo | Italy, Argentina, United States, France, Germany |
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giacomo camillo de carlo Italian aviator, IT (b. 1892) |
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yvonne de carlo Canadian-born American actress, dancer and singer (1922-2007), US (b. 1922) |
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| nicolás de carlo (b. 1882) |
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| jose alejandro de carlo entomologist (1896 — 1983) (b. 1896) |
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nicola alberto de carlo Italian psychologist, IT (b. 1947) |
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rosalba de carlo IT (b. 1939) |
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andrea de carlo Italian writer (1952), IT (b. 1952) |
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massimo de carlo Italian composer, IT (b. 1955) |
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luca de carlo Italian politician, IT (b. 1972) |
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| marco de carlo MX (b. 1919) |
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| giuseppe de carlo Italian Capuchin theologian (1956-), IT (b. 1956) |
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| antonio de carlo Mexican actor, MX (b. 1967) |
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| lapo de carlo Italian journalist, IT (b. 1968) |
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| francesco de carlo Italian television presenter, IT (b. 1979) |
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| anna de carlo researcher ORCID ID = 0000-0002-8969-7945 |
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