Last name ธรรมวิทยากุล (Thumvittayakul 
, ธรรมวิทยากุล , Tamntavittayakul) , across the world, is a very rare surname. The last name ธรรมวิทยากุล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ธรรมวิทยากุล is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thumvittayakul, Thamvitayakul, ธรรมวิทยากุล | Thailand |