Globally, คำเทศ (Sermon 
, คำเทศ, Khamthet 
) is a rare predominantly boy's, but scarcely female given name. The forename คำเทศ is characteristic of the Democratic Republic of the Congo, where it is a rare masculine name, Nigeria, where it is a very rare unisex name, and Indonesia, where it is a very rare boy's name. More frequently, คำเทศ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sermon | United Kingdom, Belgium, Democratic Republic of the Congo, United States, Philippines |
| Khamthet | Thailand |