Surname Rujwichayawong (Rujwichayawong 
) , globally, is a very rare cognomen. The last name Rujwichayawong is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, Rujwichayawong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rujwichayawong | Thailand |