Family name Rizzardini (Rizzardini 
) , in the world, is a rare cognomen. The last name Rizzardini is characteristic of Italy, where it is a rare surname, Uruguay, and Australia, where it is a very rare surname. In absolute terms, it most frequently occurs in Italy, the United States, and Uruguay. Very seldom, Rizzardini is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rizzardini | Germany, Italy, Uruguay, Mexico, United States |
| angelo rizzardini (b. 1923) |
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| yolanda rizzardini Uruguayan composer (1934-1989), UY (b. 1934) |
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| vittorio rizzardini Italian engineer, IT |
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| giuliano rizzardini researcher (ORCID 0000-0002-5183-7818) |
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| claudia bruna rizzardini researcher |
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| massimo rizzardini IT |
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| walter rizzardini |
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| angelo rizzardini |
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Mr, Sarah, Susan, Sofia, Steve, Chris, Carla, Candy, Benja, Karen, Paula, Paola, Paolo, Peter, Debra, Dario, Daman, Diego, Donna, Laura, Larry, James, Mirco, Mirko, Margo, Marco, Ann, Roc, Dan, Lee, Jim, Mary, Mayu, Sara, Anna, Adam, Nadir, Brad, Ryan, Lane, Luca, John, Eric, Herb, Omar, Maria, Mario, Marta, Paul, and Elena