Cognomen Ciavarro (Ciavarro 
) , in the world, is a rare family name. The cognomen Ciavarro is habitual in Italy, where it is a rare surname, Argentina, where it is a very rare surname, and Canada. In absolute terms, it is the most numerous in Italy, the United States, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Ciavarro | Canada, Argentina, Brazil, Italy, United States |
| massimo ciavarro Italian actor, IT (b. 1957) |
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| luigi ciavarro Italian actor |
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| marco ciavarro researcher |
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| giovanni ciavarro researcher |
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| luigi ciavarro |
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| paolo ciavarro IT (b. 1991) |
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Ms, Paulo, Paola, Paolo, Ralph, David, Laura, Linda, Lucio, James, Jamie, Jason, Jenny, Thais, Tonia, Tracy, Ellen, Emily, Vilma, Frank, Marina, Marcos, Kelly, Carla, Carlo, Susan, Sue, Mary, Mike, Sean, Chad, Paul, Dawn, Gina, Luca, John, Marzia, Jill, Fred, Olma, Maria, Marie, Mario, Marco, Mauro, Monia, Sarah, Sindy, Tony, and Mattia