Family name Thammahora (Thammahora 
) , across the world, is a very rare surname. The surname Thammahora is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thammahora | Thailand |
Atitaya, Thanawin, Thidarat, Theerapon, and Thamrongrit