Last name Speratti (Speratti 
) , around the globe, is quite a rare family name. The surname Speratti is habitual in Latin America and the Caribbean, particularly Paraguay, where it is quite a common surname, Argentina, where it is a rare surname, and Brazil, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Speratti | Brazil, Argentina, Canada, United States, Paraguay |
| adela speratti PY (b. 1865) |
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| celsa speratti PY (b. 1868) |
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| e. rené speratti (b. 1916) |
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| facunda speratti Paraguayan independence activist |
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| alicia b speratti researcher |
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| alberto speratti Spanish writer, ES |
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| juan speratti PY |
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Ms, Mario, Marta, Mirta, Sixto, Sixta, Sofia, Anita, Ariel, Camii, Cesar, Clara, Bruno, Karen, Paula, Pablo, Paola, Rocio, Ruben, Delia, Diana, Diego, Maria, Olga, Irma, Ines, Sol, Ana, Avi, Lia, Mary, Mati, Sara, Alan, Raul, Rosa, Guido, Gaby, Lina, Luis, Jose, Juan, Natu, Nico, Elsa, Edna, Enzo, Huri, Gamu, and Laura