Family name Kunaj (Kunaj 
) , globally, is a rare last name. The surname Kunaj is habitual in Slovakia, where it is quite a rare surname, Slovenia, where it is a rare surname, and Croatia. Not in comparison with a country's population, it is the most numerous in Slovakia, Poland, and Slovenia. Likewise, Kunaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kunaj | China, Poland, India, Slovenia, Slovakia |