Last name Kümnik (Kümnik 
) , around the world, is an extremely rare family name. The cognomen Kümnik is habitual in Northern Europe, particularly Estonia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kümnik | Estonia |
| maare kümnik EE (b. 1936) |
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| ivar kümnik Estonian journalist, EE (b. 1969) |
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| kaarel kümnik Estonian association football player, EE (b. 1987) |
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