Cognomen Incerti (Incerti 
) , across the world, is quite a rare last name. The surname Incerti is habitual in Italy, where it is quite a rare surname, Uruguay, where it is a rare surname, and Switzerland. Measured by absolute frequency, it is commonest in Italy, Brazil, and France. Much less frequently, Incerti is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Incerti | Switzerland, Italy, France, Brazil, Argentina |
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antonella incerti Italian politician, IT (b. 1960) |
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stefano incerti Italian film director and screenwriter, IT (b. 1965) |
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| achille incerti (b. 1907) |
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anna incerti Italian marathon runner, IT (b. 1980) |
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| gianpaolo incerti Italian association football player, IT (b. 1943) |
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| manuela incerti Italian architect (1967-), IT (b. 1967) |
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| sébastien incerti researcher |
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| chiara concetta incerti researcher |
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| paola v incerti researcher |
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| trevor incerti researcher |
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| guido incerti researcher |
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| elena incerti researcher |
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| devin incerti researcher |
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| matteo incerti researcher |
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| zac incerti Australian swimmer, AU (b. 1996) |
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Mr, Paul, Pier, Rosa, Reny, Remo, Rino, Rita, Davi, Dino, Gema, Gian, Gino, Lara, Leda, Lisa, Luca, Luis, Luiz, Jose, John, Joao, Kate, Aria, Anik, Anne, Ms, Ska, Ana, Ben, Bob, Ruy, Dan, Tim, Eda, Ivo, Jean, Ugo, Mara, Mano, Matt, Sara, Susy, Alex, Alan, Alva, Alma, Anna, Mark, and Juan