Surname Klumjeen (Klumjeen 
) , in the entire world, is a very rare last name. The cognomen Klumjeen is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klumjeen | Thailand |
Somchai, Thitipa, Sureerut, Phoomipatt, and Thunchanok