Cognomen Kablak (Kablak 
) , in the entire world, is a very rare last name. The surname Kablak is characteristic of Canada, where it is a very rare surname, Germany, where it is an extremely rare surname, and Ukraine. In absolute terms, it is commonest in the United States, Canada, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Kablak | Germany, Russia, United States, Canada, Ukraine |