Cognomen Sferra (Sferra 
) , worldwide, is quite a rare last name. The surname Sferra is habitual in Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and the United States. Much less frequently, Sferra is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sferra | Brazil, Italy, France, United States, Argentina |
| john sferra American drummer, US (b. 1952) |
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| fabrizio sferra Italian drummer, IT (b. 1959) |
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| francesco sferra Italian sanskritist (1965-), IT (b. 1965) |
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| antonella sferra researcher |
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| gabriella sferra researcher |
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| thomas j sferra researcher (ORCID 0000-0001-6893-9880) |
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| daniel sferra American politician, US |
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| roberta sferra researcher |
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| jay sferra college basketball player (1975–1977) Colorado |
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| simone sferra researcher |
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