Cognomen Kubelun (Kubelun 
) , around the world, is a very rare family name. The surname Kubelun is habitual in South Africa, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. Not in comparison with a country's population, it is the most numerous in South Africa, the United States, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kubelun | Russia, Canada, United States, South Africa |