Surname ธรรมรัตน์รังสี (ธรรมรัตน์รังสี 
) , all over the world, is an extremely rare family name. The cognomen ธรรมรัตน์รังสี is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธรรมรัตน์รังสี | Thailand |