Family name Lieorungruang (Lieorungruang 
) , in the world, is a very rare cognomen. The cognomen Lieorungruang is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Lieorungruang | Thailand |
Assis, Kasemsak, and Thunyapron