Surname Guastoni (Guastoni 
) , all over the world, is a rare family name. The cognomen Guastoni is characteristic of Argentina, where it is a rare surname, Uruguay, and Italy.
| VARIANT | COUNTRY |
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| Guastoni | France, Argentina, Italy, United States, Uruguay |
| vanesa motto guastoni Argentinian actress, AR (b. 1975) |
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| mimma guastoni manager |
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| alessandro guastoni Department of Geosciences, Padova University |
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Mr, Lidia, Lucia, Lucas, Luigi, Jorge, Julia, Julio, Elena, Oscar, Marina, Martin, Martha, María, Matteo, Matias, Monica, Miguel, Susana, Sergio, Stella, Alicia, Laura, Diego, Dario, Paola, Ms, Lu, Ana, Ugo, Anna, Luca, Jose, Juan, Nora, Hugo, Andrea, Ines, Mario, Mirta, Mimma, Sarah, Sofia, Angel, Anita, Carlo, Carla, Pablo, Maria, and Andres