Family name Haemthanon (Haemthanon 
) , in the entire world, is a very rare surname. The cognomen Haemthanon is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Haemthanon | Thailand |
Sarunya, Saneenart, and Phattharawadi