Family name ธรรมวิทย์กุล (ธรรมวิทย์กุล 
) , throughout the world, is a very rare surname. The cognomen ธรรมวิทย์กุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธรรมวิทย์กุล | Thailand |