Surname คำทอง (Khamthong 
, Khamtong , คำทอง) , around the world, is quite a rare family name. The family name คำทอง is habitual in Laos, where it is quite a rare surname, Thailand, and the United States, where it is an extremely rare surname. Likewise, คำทอง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamthong | Laos, United States, Thailand, India, Canada |
| Khamtong | India, Thailand |
Kamthong, Kamthoung, Kamtong, Khamethong, Khamthog, Khamthongk, Khamthongkhom, Khamthongkom, Khamthongkong, Khamthonk, Kharmthong, and Phramnthong
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บัวเรศ คำทอง (b. 1910) |
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