Surname Koonpramuang (Koonpramuang 
) , in all the world, is a very rare cognomen. The family name Koonpramuang is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Koonpramuang | Thailand |
Panya, Kanpitcha, Hathairat, and Rattanapet