Cognomen Chan Thong (จันทอง 
, Chan Thong 
) , in the entire world, is quite a rare last name. The family name Chan Thong is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname, and Malaysia, where it is a very rare surname. Very seldom, Chan Thong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| จันทอง | Thailand |
| Chan Thong | Malaysia |