Cognomen Delvecchio (Delvecchio 
) , globally, is quite a common family name. The last name Delvecchio is characteristic of Italy, where it is quite a rare surname, Switzerland, and the United States. Measured by absolute frequency, this name is the most popular in the United States, Italy, and Canada. Very seldom, Delvecchio is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Delvecchio | Canada, Argentina, France, United States, Italy |
| pietro delvecchio Italian politician, IT (b. 1845) |
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alex delvecchio Canadian ice hockey player, CA (b. 1931) |
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| joseph delvecchio French association football player (1885-1971), FR (b. 1885) |
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marco delvecchio Italian association football player, IT (b. 1973) |
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gennaro delvecchio Italian footballer, IT (b. 1978) |
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camille delvecchio FR |
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| helena revoredo delvecchio AR (b. 1947) |
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| bobby delvecchio member of the Rodeo Hall of Fame (born 1957) (b. 1957) |
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| maurizio delvecchio Italian painter, IT (b. 1962) |
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| beniamino delvecchio (b. 1969, Italy), IT (b. 1969) |
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| giuseppe delvecchio researcher |
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| vito g delvecchio researcher |
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| khortnal delvecchio researcher |
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| elisa delvecchio researcher |
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| michael t delvecchio researcher |
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