Family name คำวัฒน์ (Khamawat 
, คำวัฒน์, Khamwat 
) , around the globe, is a very rare cognomen. The family name คำวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia. Likewise, คำวัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamawat | Thailand |
| Khamwat | Malaysia, Thailand |