Surname כלפון (Halfon 
, Khalfon 
, Kalfon 
) , in the entire world, is quite a common last name. The surname כלפון is characteristic of Israel, where it is quite a common surname, Eswatini, and France, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Israel, France, and the United States. Very seldom, כלפון is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Halfon | Argentina, France, Israel, United States, Eswatini |
| Khalfon | Canada, France, Israel, United States, Morocco |
| Kalfon | United Kingdom, France, Israel, United States, Switzerland |
| כלפון | Israel |
| אברהם כלפון Israeli politician, IL (b. 1900) |
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ליאור כלפון Israeli actor and screenwriter, IL (b. 1973) |
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| מרדכי כלפון Israeli composer, IL (b. 1927) |
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יום טוב כלפון Israeli politician, IL (b. 1986) |
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