>
Surname Ruangchai (เรืองชัย , Ruangchai
) , globally, is quite a rare family name. The cognomen Ruangchai is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. More frequently, Ruangchai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เรืองชัย | Thailand |
| Ruangchai | United States, Thailand |