Surname Jaroenkhajonkun (Jaroenkhajonkun 
) , worldwide, is a very rare cognomen. The last name Jaroenkhajonkun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Jaroenkhajonkun | Thailand |
Phoorin, and Thunyaporn