Family name Cavaglieri (Cavaglieri 
) , throughout the world, is quite a rare cognomen. The cognomen Cavaglieri is habitual in Italy, where it is a rare surname, Brazil, and Switzerland. Not in comparison with a country's population, it is the most numerous in Italy, Brazil, and France. Very seldom, Cavaglieri is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Cavaglieri | Brazil, France, Italy, United States, Switzerland |
| geronimo cavaglieri (b. 1550) |
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| arrigo cavaglieri Italian jurist (1880-1936) (b. 1880) |
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| guido cavaglieri IT (b. 1871) |
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| mario cavaglieri Italian painter (1887-1969), IT (b. 1887) |
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| giorgio cavaglieri American architect (1911-2007), IT (b. 1911) |
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| claudia regina cavaglieri researcher ORCID ID = 0000-0002-7795-6575 |
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| lilia renée cavaglieri researcher (ORCID 0000-0002-2380-906X) |
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Mr, Joao, Tays, Nair, Nino, Elza, Eddi, Edna, Enzo, Vera, Ires, Ilda, Ilka, Igor, Maria, Mario, Marta, Marco, Marli, Mayra, Mauro, Sally, John, Jose, Jane, Luiz, Ms, Ed, Ana, Eni, Mari, Sara, Alex, Alma, Anna, Abel, Selma, Adao, Roza, Remi, Rita, Gaia, Gina, Lara, Lais, Leda, Luca, Luis, Rosa, and Sonia