Cognomen Mazzariol (Mazzariol 
) , all around the world, is quite a rare surname. The family name Mazzariol is habitual in Italy, where it is quite a rare surname, France, where it is a rare surname, and Switzerland. Measured by absolute frequency, it most frequently occurs in Italy, France, and Brazil. Very seldom, Mazzariol is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mazzariol | Italy, Switzerland, Argentina, France, Brazil |
| giuseppe mazzariol Italian librarian and art historian (1922-1989), IT (b. 1922) |
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| francesco mazzariol Italian rugby union footballer and coach, IT (b. 1975) |
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| sandro mazzariol researcher (b. 1976) |
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| fernanda s mazzariol researcher |
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| brenno mazzariol researcher (ORCID 0000-0001-6848-3959) |
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| giacomo mazzariol writer, IT (b. 1997) |
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Mr, Marco, Mauro, Sonia, Sonja, Alice, Aline, Andre, Carlo, Carla, Marta, Carol, Celso, Bruno, Paula, Paulo, Paolo, Pedro, Renan, Denis, Dante, Celia, Dario, Mario, Vera, Ms, Rob, Fã, Marc, Sara, Alex, Anna, Anne, Dean, Maria, Gaia, Lara, Luca, Luis, Luiz, Luke, Jose, Joao, Tony, Elia, Gino, and Diego