Last name Santopietro (Santopietro 
) , worldwide, is quite a rare family name. The surname Santopietro is habitual in Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and Uruguay. Not in comparison with a country's population, it is the most numerous in Italy, the United States, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Santopietro | Italy, Mexico, Brazil, United States, Argentina |
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tom santopietro American author and Broadway theater manager, US (b. 1950) |
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michele santopietro American actress, US (b. 1971) |
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| michelina santopietro researcher |
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| simone santopietro researcher |
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