Family name Piotto (Piotto 
) , around the world, is quite a rare cognomen. The cognomen Piotto is characteristic of Italy, where it is quite a rare surname, Brazil, where it is a rare surname, and Argentina. Much less frequently, Piotto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Piotto | Australia, France, Argentina, Italy, Brazil |
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giovanni battista piotto (1518-1570) (b. 1518) |
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| francesco maria piotto author (16th century) (b. 1501) |
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| andrea piotto author (1960-) (b. 1960) |
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| g. piotto researcher |
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| martial piotto researcher |
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| mario augusto silveira bueno piotto researcher |
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| celeste piotto researcher (ORCID 0000-0002-5646-6913) |
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| daniel piotto researcher |
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| massimo piotto researcher |
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| stefano piotto researcher |
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| gian pietro piotto Italian politician, IT |
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| fernando a piotto researcher |
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| adalberto piotto BR (b. 1972) |
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