Family name Fantauzzi (Fantauzzi 
) , in all the world, is quite a rare last name. The surname Fantauzzi is habitual in Puerto Rico, where it is quite a rare surname, Italy, and Bolivia. Measured by absolute frequency, it is the most numerous in Italy, the United States, and Bolivia. Very seldom, Fantauzzi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Fantauzzi | Bolivia, Brazil, Italy, United States, Puerto Rico |
| laurent fantauzzi (b. 1872) |
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| césar fantauzzi basketball player (1957-), US (b. 1957) |
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| claudia blasetti fantauzzi researcher |
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| donato fantauzzi researcher |
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| marzia fantauzzi researcher |
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| stephanie fantauzzi American actress, US (b. 1987) |
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| stefania fantauzzi |
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| zahimara fantauzzi Puerto Rican footballer, US (b. 1993) |
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