Last name De Pietro (De Pietro 
) , across the world, is quite a rare family name. The family name De Pietro is habitual in Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and Switzerland, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Italy, Argentina, and the United States. Much less frequently, De Pietro is the forename as well as the last name.
| VARIANT | COUNTRY |
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| De Pietro | Argentina, France, Italy, Germany, United States |
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michele de pietro Italian politician and lawyer (1884-1967), IT (b. 1884) |
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cristina de pietro Italian politician, IT (b. 1957) |
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| carlo de pietro (b. 1969) |
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| camille de pietro |
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Max, Thea, Elio, Ella, Elsa, Elba, Eric, Enzo, Hugo, Vera, Ivan, Omar, Maria, Marie, Mario, Marta, Marco, Magda, Maqaa, Megan, Sally, Simon, Juan, Jean, Joan, John, Ana, Eva, Ida, Mary, Sara, Aldo, Anna, Paul, Pina, Rosa, Sofia, Roni, Rita, Dean, Dora, Gina, Gino, Lila, Lisa, Luca, Lynn, Jose, Rino, and Angel