Worldwide, Zefferino (Zefferino 
) is quite a rare masculine given name. The first name Zefferino is characteristic of Italy, where it is quite a rare male name, the United States, where it is an extremely rare boy's name, and India, where it is an extremely rare unisex name. Very seldom, Zefferino is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Zefferino | Italy, Uruguay, United States, India, Canada |
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zefferino tomè Italian politician (1905-1979), IT (b. 1905) |
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zefferino cerquaglia Italian politician and mayor, IT (b. 1946) |
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| zefferino grassetto Italian association football player, IT (b. 1914) |
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| zefferino palamà researcher ORCID ID = 0000-0002-9262-6654 |
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| zefferino monini IT |
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