Globally, ธรรมธาตุ (Thammathat 
, Khammathat , ธรรมธาตุ ) is a very rare boy's given name. The first name ธรรมธาตุ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare masculine name. Likewise, ธรรมธาตุ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Khammathat, Thamthatod, ธรรมธาตุ, Thammathat | Thailand |
Thamathat, and Themmathat