Surname Kemthong (Kemthong 
) , around the globe, is a rare cognomen. The cognomen Kemthong is characteristic of Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Kemthong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kemthong | United States, Thailand |