Surname Davio (Davio 
) , throughout the world, is quite a rare cognomen. The last name Davio is habitual in Argentina, where it is quite a rare surname, Italy, where it is a rare surname, and Switzerland. Not in comparison with a country's population, the name is most common in Argentina, the United States, and Italy. Likewise, Davio is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Davio | Italy, United States, Argentina, Brazil, Democratic Republic of the Congo |
| rehia davio French judoka (1901-), FR (b. 1901) |
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| rebecca davio academic in geography |
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| santiago davio footballer, AR (b. 1985) |
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| marc davio Philips Research Laboratory, Ave. van Becelaere, 2, Box 8, B 1170, Brussels, Belgium |
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