Family name Naddeo (Naddeo 
) , all over the world, is quite a rare cognomen. The surname Naddeo is habitual in Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and Austria. In absolute terms, this name is the most popular in Italy, Argentina, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Naddeo | France, Argentina, Italy, Brazil, United States |
| luigi naddeo Italian composer, IT (b. 1934) |
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| alighiero naddeo IT (b. 1930) |
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| maría elena naddeo Argentinian activist and trade unionist, AR (b. 1956) |
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| jean-paul naddeo (b. 1948) |
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| marco naddeo Italian lawyer, IT (b. 1977) |
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| francesca naddeo IT (b. 1969) |
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| maurizio naddeo (1943-2013) |
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| francesco naddeo researcher (ORCID 0000-0003-0017-6631) |
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| adele naddeo researcher |
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| joseph naddeo researcher |
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| valentina naddeo researcher |
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| ciro massimo naddeo Italian linguist, IT |
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| marco naddeo Italian chemist, IT |
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| alessandro naddeo IT (b. 1975) |
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| étienne naddeo |
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