Surname Pieretto (Pieretto 
) , across the world, is a rare family name. The last name Pieretto is habitual in Italy, where it is a rare surname, Argentina, and Australia, where it is a very rare surname. In absolute terms, it most frequently occurs in Italy, Argentina, and Brazil. Much less frequently, Pieretto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pieretto | Germany, Italy, Brazil, Argentina, France |
| enrique pieretto Argentine rugby union footballer (b. 1994) C̪órdoba Athletic and Jaguares (Super Rugby)., AR (b. 1994) |
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Mr, Olga, Oldi, Omar, Maria, Marco, Mauro, Mabel, Mirta, Saura, Sonia, Aline, Angel, Anita, Brian, Bruno, Pablo, Paola, Paolo, Pedro, Piero, Ruben, Ivan, Hugo, Ezio, Enza, Ms, Ana, Ada, Ivo, Ida, Anna, Anne, Kolo, Paul, Raul, Diego, Rosa, Gian, Gino, Luca, Luis, Jose, Juan, Nora, Neva, Elsa, Edda, Rita, and Guido