Cognomen Whanghirunkul (Whanghirunkul 
) , all around the world, is a very rare family name. The family name Whanghirunkul is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Whanghirunkul | Thailand |
Chanpen, Choojit, Chuchit, and Thanyaboon