Surname ธรรมิก (Dharma 
, ธรรมิก 
, Thammakai ) , across the world, is a common last name. The last name ธรรมิก is habitual in Indonesia, where it is quite a common surname, Qatar, where it is quite a rare surname, and United Arab Emirates. In absolute terms, it is the most numerous in Indonesia, India, and Nepal. More frequently, ธรรมิก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dharma | Nepal, India, Indonesia, Sri Lanka, Saudi Arabia |
| ธรรมิก, Thammakai | Thailand |