Cognomen Prosperetti (Prosperetti 
) , globally, is a very rare family name. The family name Prosperetti is habitual in Italy, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Prosperetti is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prosperetti | United States, Italy |
|
giulio prosperetti Italian judge, IT (b. 1946) |
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| ubaldo prosperetti Italian academician, IT (b. 1914) |
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| marco prosperetti Italian jurist and university professor (1941-), IT (b. 1941) |
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| leopoldine van hogendorp prosperetti (b. 1948) |
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| andrea prosperetti American scientist |
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