Family name Montefiori (Montefiori 
) , in the entire world, is quite a rare cognomen. The last name Montefiori is habitual in Italy, where it is quite a rare surname, Switzerland, where it is a rare surname, and Argentina. In absolute terms, it is the most numerous in Italy, Argentina, and the United States. Very seldom, Montefiori is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Montefiori | Argentina, United States, Belgium, Switzerland, Italy |
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luigi montefiori Italian actor, IT (b. 1942) |
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| bruno montefiori Italian politician (1941-2021), IT (b. 1941) |
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| umberto montefiori Italian politician, IT (b. 1946) |
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| marco montefiori researcher |
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| erica montefiori researcher (ORCID 0000-0003-2498-7877) |
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| marcello montefiori researcher |
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| david c montefiori scientist |
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| lindsey e montefiori researcher |
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| arianna montefiori Italian actor, IT (b. 1994) |
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Mr, Ivan, Olga, Maria, Mario, Marta, Marco, Mauro, Mirco, Sonia, Adela, Carlo, Carla, Cesar, Bruno, Karen, Kelly, Kikko, Paula, Paola, Paolo, Piera, Elda, Elva, Elsa, Tito, Pat, Pia, Gil, Lou, Ivo, Ugo, Mark, Sara, Aldo, Anna, Robyn, Paul, Gian, Gino, Lara, Lisa, Luca, Luis, Luna, Jose, Juan, Tony, Rita, and Ronni