>
Cognomen Janthaphun (Janthaphun ) , in all the world, is a very rare surname. The family name Janthaphun is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Janthaphun | Thailand |
Nang, Suwanna, Janjira, Thanawit, Wiraporn, Suphakorn, Charangkana, and Nuengluethai