Cognomen Francioni (Francioni 
) , across the world, is quite a rare surname. The last name Francioni is characteristic of San Marino, where it is a common surname, Italy, where it is quite a rare surname, and Argentina. In absolute terms, it is commonest in Italy, Argentina, and Brazil. Much less frequently, Francioni is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Francioni | Brazil, Italy, France, United States, Argentina |
| carlo francioni FR (b. 1877) |
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wilmo francioni Italian cyclist, IT (b. 1948) |
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| celio francioni IT (b. 1928) |
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| francesco francioni IT (b. 1942) |
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| elisabetta francioni Italian librarian (1954-), IT (b. 1954) |
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| reto francioni Swiss jurist, CH (b. 1955) |
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| gianni francioni (b. 1950) |
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| gianni francioni (b. 1950) |
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| j. e. barrueco francioni researcher |
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| joan francioni American Professor of Computer Science |
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| matteo francioni researcher |
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| barbara francioni researcher |
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| federico francioni researcher |
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| mirko francioni researcher |
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| filippo francioni IT (b. 1976) |
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