Surname อุดมธนเดชน์ (อุดมธนเดชน์ 
) , throughout the world, is an extremely rare family name. The last name อุดมธนเดชน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| อุดมธนเดชน์ | Thailand |