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