Family name Harmwong (Harmwong 
) , around the world, is a very rare surname. The cognomen Harmwong is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Harmwong | Thailand |
Waralux, Panthita, Jiraporn, Pimchanok, and Panduangjai