Surname Klankhwamdi (Klankhwamdi 
) , in the entire world, is a very rare cognomen. The family name Klankhwamdi is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klankhwamdi | Thailand |
Pornphattra, and Pornphatthra