Surname Fhongjun (Fhongjun 
) , in all the world, is a very rare cognomen. The cognomen Fhongjun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fhongjun | Thailand |
Punika, Supachai, and Pitchayapha