Family name D'Onza (D'Onza 
) , around the world, is a rare surname. The cognomen D'Onza is characteristic of Italy, where it is a rare surname, Argentina, where it is a very rare surname, and Venezuela. Much less frequently, D'Onza is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| D'Onza | Italy, Spain, Venezuela, United States, Argentina |
| giuseppe d'onza researcher |
|
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| maria carmen d'onza DE (b. 1982) |
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Merj, Saverio, Silvina, Silvana, Antonio, Carmela, Carmine, Claudio, Barbara, Rosanna, Roberto, Dimitri, Tommaso, Ottavio, Pasquale, Rossanna, Domenico, Giovanni, Giuseppe, Ludovica, Nicholas, Vincenzo, Michela, Michele, Franco, Nelida, Anna, Cono, Rosa, Jose, Juan, Ines, Maria, Mimmo, Carlo, Paola, Valentina, Paolo, Jenna, Irene, Matteo, Monica, Silvia, Angela, Agnese, Pietro, Teresa, Nicola, Diana, and Francesca