Last name ธรรมเอก (ธรรมเอก 
) , across the world, is an extremely rare family name. The family name ธรรมเอก is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ธรรมเอก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธรรมเอก | Thailand |