Cognomen Smania (Smania 
) , globally, is quite a rare last name. The cognomen Smania is habitual in Italy, where it is quite a rare surname, Israel, where it is a rare surname, and Argentina. In absolute terms, it is commonest in Italy, Brazil, and Argentina. Much less frequently, Smania is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Smania | Brazil, Italy, Argentina, United States, Algeria |
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daniel smania brazilian mathematician, BR (b. 1974) |
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| beppino smania (b. 1928) |
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| massimiliano smania researcher |
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| nicola smania researcher, ORCID id # 0000-0001-7630-1887 |
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| daniel smania Ph.D. Instituto de Matemática Pura e Aplicada 2001 |
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| andrea m smania researcher |
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