Surname Klaethanong (Klaethanong 
) , around the world, is an extremely rare last name. The last name Klaethanong is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klaethanong | Thailand |
Suwit, Jongdee, and Chantarika