Surname คําจันทร์ (คําจันทร์ 
) , in the world, is quite a rare last name. The cognomen คําจันทร์ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Likewise, คําจันทร์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| คําจันทร์ | Thailand |