Cognomen ธมมธีโร (ธมมธีโร 
) , across the world, is an extremely rare last name. The cognomen ธมมธีโร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธมมธีโร | Thailand |
สมพาศ, and พระครูพรัก