Globally, ธรรมยุทธ์ (Thammayuth 
, ธรรมยุทธ์ , Thamayuth ) is a very rare boy's first name. The first name ธรรมยุทธ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare boy's name. Much less frequently, ธรรมยุทธ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thammayuth, Thamayuth, ธรรมยุทธ์ | Thailand |