Family name Panjangarun (Panjangarun 
) , across the world, is a very rare surname. The family name Panjangarun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Panjangarun | Thailand |
Supit, Janjira, Junjira, Sujarinee, and Saranyapong