Surname Caiati (Caiati 
) , across the world, is a rare cognomen. The family name Caiati is characteristic of Italy, where it is a rare surname, Argentina, and Romania. Not in comparison with a country's population, it is commonest in Italy, the United States, and Argentina. Much less frequently, Caiati is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Caiati | Romania, France, Argentina, Italy, United States |
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italo giulio caiati Italian politician (1916-1993), IT (b. 1916) |
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| domenico caiati (b. 1913) |
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| giovanni caiati researcher (ORCID 0000-0003-0958-1721) |
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| carlo caiati researcher |
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Mr, John, Jean, Juan, Judi, Judy, Tomy, Tina, Nati, Nico, Elsa, Vito, Irma, Maria, Marco, Mimmo, Susan, Sonia, Angel, Anita, Chris, Carlo, Jose, Jane, Luca, Lisa, Ana, Ron, Don, Lia, Joe, Jim, Tom, Ing, Mary, Mark, Cosmo, Mike, Anna, Adam, Clea, Cfii, Kris, Rosa, Rick, Rino, Gary, Leda, Aldo, and Clara