Family name Ciavatta (Ciavatta 
) , around the world, is quite a rare cognomen. The surname Ciavatta is habitual in San Marino, where it is a common surname, Italy, where it is quite a rare surname, and Argentina, where it is a rare surname.
| VARIANT | COUNTRY |
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| Ciavatta | Argentina, France, San Marino, Italy, United States |
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valeria ciavatta captain-regent of San Marino, SM (b. 1959) |
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| lamberto ciavatta IT (b. 1908) |
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paolo ciavatta Italian bicycle racer, IT (b. 1984) |
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| luciano ciavatta Sammarinese diplomat, SM (b. 1955) |
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| estevão ciavatta Brazilian filmmaker and photographer, BR (b. 1968) |
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| manuel ciavatta Sanmarinese politician, SM (b. 1976) |
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| roberto ciavatta politician in San Marino, SM (b. 1976) |
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| claudio ciavatta researcher |
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| maria letizia ciavatta researcher |
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| stefano ciavatta researcher |
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| simone ciavatta Sammarinese association football player, SM (b. 1991) |
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Mr, Luca, Luis, Jose, John, Juan, Judy, Jill, Tony, Tina, Lori, Nora, Erio, Ersi, Enea, Ezio, Hugo, Vera, Maria, Marie, Mario, Elsa, Marta, Gino, Dora, Ms, Ana, Ben, Ken, Rob, Leo, Joe, Ida, Mary, Gian, Maia, Aldo, Anna, Agos, Aida, Axel, Paul, Rosa, Rita, Ryan, Sara, and Marco