Surname Ruangnim (Ruangnim 
) , around the globe, is a very rare family name. The cognomen Ruangnim is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruangnim | Thailand |
Supoj, Jiewpijit, Suraphat, Waraporn, and Naphaphach