Cognomen Calafell (Calafell 
) , in the entire world, is quite a rare family name. The last name Calafell is characteristic of Spain, where it is quite a rare surname, Argentina, where it is a rare surname, and Uruguay. Measured by absolute frequency, it is commonest in Spain, Argentina, and the United States. Likewise, Calafell is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Calafell | Mexico, Argentina, United States, France, Spain |
| josep castelló i calafell ES (b. 1733) |
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| antoni mut calafell Spanish historian and archivist, ES (b. 1928) |
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| teresa calafell ES (b. 1943) |
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| jordi calafell Spanish photographer and historian, ES (b. 1961) |
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| mireia calafell i obiol Spanish poet, ES (b. 1980) |
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| francesc calafell researcher |
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| irati alonso calafell researcher |
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| verònica calafell (b. 1978) |
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| ramon salat calafell |
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