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Family name Ruangdej (เรืองเดช , Ruangdej
, อยู่เรืองเดช) , globally, is quite a common last name. The surname Ruangdej is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. Likewise, Ruangdej is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เรืองเดช | Thailand |
| Ruangdej | United States, Thailand |