Family name Khanprasaeng (Khanprasaeng 
) , in all the world, is a very rare last name. The cognomen Khanprasaeng is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khanprasaeng | Thailand |
Bunyuea, and Jatoorapat