Family name Siviero (Siviero 
) , around the globe, is quite a common cognomen. The cognomen Siviero is habitual in Italy, where it is quite a rare surname, Argentina, and Uruguay. Not in comparison with a country's population, the name is most common in Italy, Brazil, and Argentina. Much less frequently, Siviero is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Siviero | Brazil, Argentina, Canada, France, Italy |
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rodolfo siviero Italian spy and art historian (1911-1983), IT (b. 1911) |
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| carlo siviero Italian artist, IT (b. 1882) |
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gianni siviero Italian singer-songwriter, IT (b. 1938) |
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enzo siviero Italian engineer, architect and teacher, IT (b. 1945) |
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tiziano siviero Italian rally co-driver, IT (b. 1957) |
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francesco siviero Italian association football player, IT (b. 1964) |
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| massimo siviero Italian journalist and writer, IT (b. 1942) |
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| jorge siviero Uruguayan footballer, UY (b. 1952) |
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| gustavo lionel siviero Argentine football player/manager, AR (b. 1969) |
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| pamila cristina lima siviero researcher |
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| giuseppe siviero correspondence chess player |
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| paola siviero researcher |
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| siviero agazzi researcher (ORCID 0000-0001-5760-0187) |
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| fábio siviero researcher |
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| lavio siviero directeur sportif |
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