Last name ดำรงค์ธรรม (ดำรงค์ธรรม, Damrongtham 
) , around the world, is a very rare surname. The last name ดำรงค์ธรรม is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Damrongtham | United States, Thailand |