Cognomen Kewthong (Kewthong 
) , worldwide, is a very rare surname. The last name Kewthong is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kewthong | Thailand |
Chuenjit, Taweesak, Taweesin, and Supatcharee