Family name Caloi (Caloi 
) , worldwide, is a rare last name. The cognomen Caloi is habitual in Italy, where it is a rare surname, Switzerland, and Brazil. Not in comparison with a country's population, this name is the most popular in Italy, Brazil, and France. Very seldom, Caloi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Caloi | Italy, Switzerland, Argentina, France, Brazil |
| guido caloi IT (b. 1896) |
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| pietro caloi Italian geologist, IT (b. 1907) |
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| ilaria caloi Italian archaeologist (1978-), IT (b. 1978) |
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| rita caloi Italian particle physicist |
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Mr, Enzo, Ezio, Vera, Igor, Oana, Maria, Marco, Sarah, Sueli, Sonia, Aline, Allan, Adair, Celso, Bruno, Bruna, Katia, Paula, Paulo, Pablo, Paola, Juan, Paolo, Jean, Joao, Ms, Ana, Pia, Liz, Eli, Eny, Mara, Sara, Anae, Anna, Aide, Rosa, Rita, Gino, Lisa, Luca, Luis, Luiz, Jayr, Jair, Jose, Joel, and Roger