Surname כגן (Cagan 
, כגן) , in the world, is quite a rare cognomen. The surname כגן is characteristic of Slovakia, where it is quite a rare surname, Czechia, where it is a rare surname, and Sweden. Measured by absolute frequency, the name is most common in the United States, Slovakia, and India. Much less frequently, כגן is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cagan | Philippines, Slovakia, India, Turkey, United States |
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הלנה כגן Israeli pediatrician (1889-1978), IL (b. 1888) |
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משה כגן Israeli painter, IL (b. 1922) |
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שמעון כגן Israeli chess player, IL (b. 1942) |
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| אליעזר כגן Israeli literary theorist (1914–2000), IL (b. 1914) |
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| רעיה כגן IL (b. 1910) |
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מיכה כגן IL (b. 1962) |
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אודי כגן Israeli actor, IL (b. 1981) |
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| ציפורה כגן Literary theorist (1931-2021), IL (b. 1931) |
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| נאוה כגן Israeli swimmer, IL (b. 1956) |
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| אליעזר כגן Israeli volleyball player, IL (b. 1958) |
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| אלכס כגן Israeli composer, IL |
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| סיון כגן IL |
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