Cognomen Tohmuang (Tohmuang 
) , around the world, is a very rare family name. The family name Tohmuang is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tohmuang | Thailand |
Boonlert, Preamjit, Manussavee, and Sitthichart