Surname กุลนิจ (Kunit 
, กุลนิจ , Kulanij ) , in all the world, is a very rare last name. The last name กุลนิจ is characteristic of Austria, where it is a rare surname, Germany, where it is a very rare surname, and Thailand. More prevalently, กุลนิจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kunit | Austria, India, Germany, Thailand, United States |
| กุลนิจ, Kulanij | Thailand |