Last name Piccillo (Piccillo 
) , in all the world, is a rare surname. The cognomen Piccillo is habitual in Italy, where it is a rare surname, Belgium, where it is a very rare surname, and the United States. Measured by absolute frequency, it most frequently occurs in Italy, the United States, and Spain. Much less frequently, Piccillo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Piccillo | Italy, Belgium, United States, France, Spain |
| giuseppe piccillo Italian chorus master (1919-1998), IT (b. 1919) |
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| joseph piccillo Artist, US (b. 1941) |
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| tessa piccillo American professional yo-yoer |
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Ben, Alena, Aaron, Carlo, Brian, Karen, Keith, Peter, Piero, Renee, Damon, Donna, Laura, Linda, Lynda, James, Tessa, Ellen, Frank, Marena, Sandra, Simone, Susan, Sally, Miles, Mauro, Kim, Joe, Jim, Mary, Mark, Matt, Anna, Cody, Kaci, Paul, Selene, Gary, John, Joan, Jean, Nick, Eric, Emma, Isis, Maria, Mario, Marco, Glen, and Alexia