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Cognomen Ruamjinda (Ruamjinda ) , globally, is a very rare last name. The last name Ruamjinda is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruamjinda | Thailand |
Niyom, Phakon, Pharkphum, Worachat, and Poramaporn