Cognomen ธรรมสุเมธ (ธรรมสุเมธ 
) , globally, is a very rare surname. The surname ธรรมสุเมธ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธรรมสุเมธ | Thailand |
ภคมน, ฟูศักดิ์, กฤษมงคล, and ศิริศักดิ์