Surname Ruangprakhon (Ruangprakhon 
) , all around the world, is a very rare cognomen. The last name Ruangprakhon is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruangprakhon | Thailand |
Un, Fiew, Bumnet, Chawalit, and Kittiphorn