Cognomen Kún (Kún 
) , in the world, is a rare surname. The last name Kún is characteristic of Vietnam, where it is a rare surname, Czechia, and Hungary. Likewise, Kún is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kún | Hungary, Vietnam, Czechia |
| kocsárd kún Hungarian military leader, RO (b. 1490) |
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| kún sándor HU (b. 1762) |
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františek kún CZ (b. 1825) |
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| vilém kún (b. 1807) |
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andré von kún HU (b. 1895) |
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| vilém kún (b. 1877) |
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| vilém kún CZ (b. 1917) |
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