Family name Pongkhon (Pongkhon 
) , in the entire world, is an extremely rare cognomen. The last name Pongkhon is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, Pongkhon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pongkhon | Thailand, India |