Cognomen Rizzetto (Rizzetto 
) , around the globe, is quite a rare family name. The cognomen Rizzetto is characteristic of Italy, where it is quite a rare surname, France, where it is a rare surname, and Switzerland. Not in comparison with a country's population, it most frequently occurs in Italy, France, and Brazil. Very seldom, Rizzetto is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rizzetto | Brazil, France, Italy, United States, Colombia |
| armido rizzetto cyclist, IT (b. 1893) |
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| carlotta rizzetto IT (b. 1905) |
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| ezio rizzetto Italian painter (1917-1997), IT (b. 1917) |
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walter rizzetto Italian politician, IT (b. 1975) |
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| mario rizzetto Italian physician (1945-), IT (b. 1945) |
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| sylvio rizzetto (b. 1953) |
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| franck rizzetto French association football player, FR (b. 1971) |
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| francesco rizzetto researcher (ORCID 0000-0003-3451-9874) |
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| giulio rizzetto researcher |
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| thiago a rizzetto researcher |
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| lisa rizzetto researcher |
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| riccardo rizzetto researcher |
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| simone rizzetto researcher |
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| simon rizzetto researcher |
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| camillo rizzetto |
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