Last name Kalfon (Kalfon 
) , in the world, is quite a rare cognomen. The family name Kalfon is habitual in France, where it is quite a rare surname, Switzerland, where it is a rare surname, and Israel. Not in comparison with a country's population, this name is the most popular in France, the United States, and Switzerland. Very seldom, Kalfon is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kalfon | Canada, Switzerland, France, Israel, United States |
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pierre kalfon French journalist and diplomat, FR (b. 1930) |
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jean-pierre kalfon French actor, FR (b. 1938) |
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| lucien kalfon French official, FR (b. 1936) |
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| françois kalfon French politician, FR (b. 1968) |
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| thierry kalfon Managing Director (b. 1968) |
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| jérémie kalfon researcher (ORCID 0000-0002-2818-9728) |
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| pierre kalfon researcher |
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| pierre kalfon French film director, FR |
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| sarit kalfon researcher |
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| jérôme kalfon |
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| claude kalfon |
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