Family name Pakaijantharagun (Pakaijantharagun 
) , globally, is a very rare surname. The surname Pakaijantharagun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Pakaijantharagun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pakaijantharagun | Thailand |