Surname De Simon (De Simon 
) , globally, is a rare last name. The family name De Simon is habitual in Sri Lanka, where it is a rare surname, Argentina, and Italy.
| VARIANT | COUNTRY |
|---|---|
| De Simon | Italy, Sri Lanka, Spain, Mexico, Argentina |
| alexandre de simon de palmas French engineer (1684-1747), FR (b. 1684) |
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| luciano de simon Italian mathematician (1934-2002), IT (b. 1934) |
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Ana, Sofia, Alvio, Angel, Ariel, Agnes, Carlo, Pablo, Paolo, Pedro, Ramon, Rocio, Roger, Derna, Diego, Guido, Laura, Linda, Jorge, Jordi, Jehan, Julio, Simon, Shawn, Mirna, Mirta, Mary, Mark, Alex, Aldo, Adan, Raul, Rosa, Luca, Luis, Luke, Nancy, Jose, Juan, Elsa, Emma, Hugo, Olga, Omar, Maria, Mario, Marta, Mauro, Jean, and Nidia