Last name Ornthammarath (Ornthammarath 
) , in all the world, is an extremely rare cognomen. The cognomen Ornthammarath is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ornthammarath | Thailand |
| teraphan ornthammarath researcher, ORCID id # 0000-0002-3401-7076 |
|