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Surname Ruangklud (Ruangklud ) , throughout the world, is a very rare family name. The cognomen Ruangklud is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruangklud | Thailand |
Pairoj, Panwadee, Pannawadee, and Dusadeewan