Family name Kubak (Kubak 
, Кубак 
) , throughout the world, is quite a rare surname. The last name Kubak is characteristic of Papua New Guinea, where it is quite a rare surname, Austria, where it is a rare surname, and Czechia. In absolute terms, it most frequently occurs in Papua New Guinea, Poland, and Turkey. Likewise, Kubak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kubak | Papua New Guinea, Czechia, Germany, Turkey, Poland |
| Кубак | Ukraine, Russia, Kyrgyzstan |
|
ulrich r. j. kubak German entrepreneur and owner of the German classical music radio station Klassik Radio. (b. 1965) |
|
| rudolf kubak organ builder (1927-2008), DE (b. 1927) |
|