Family name Theamhirunsopit (Theamhirunsopit 
) , globally, is a very rare cognomen. The cognomen Theamhirunsopit is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Theamhirunsopit | Thailand |
Sittichai, Siittichai, and Patsaranan