Cognomen คำยศ (Rank 
, คำยศ, Khamyot 
) , across the world, is a common surname. The family name คำยศ is habitual in Estonia, where it is quite a common surname, Germany, where it is quite a rare surname, and El Salvador. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Brazil. Much less frequently, คำยศ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rank | Brazil, United States, India, South Africa, Germany |
| Khamyos, Khamyot | Thailand |