Surname Siliano (Siliano 
) , in the world, is a rare family name. The cognomen Siliano is characteristic of Argentina, where it is a rare surname, Italy, where it is a very rare surname, and Nicaragua. Not in comparison with a country's population, it is the most numerous in Argentina, Brazil, and the United States. Likewise, Siliano is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Siliano | Tanzania, Brazil, Italy, United States, Argentina |
| aulo licinio nerva siliano Roman politician, consul 7 AD, IT (b. 1) |
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diego siliano AR (b. 1961) |
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| marcelo reina siliano politician from Brazil, BR (b. 1979) |
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| aulo licinio nerva siliano Roman politician, consul 65 AD, IT |
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