Cognomen Khawchuay (Khawchuay 
) , in all the world, is a very rare surname. The family name Khawchuay is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khawchuay | Thailand |
Wakul, Charanda, Kanokwan, Chonticha, and Thanataporn