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Last name Rungdaeng (Rungdaeng ) , all around the world, is a very rare cognomen. The last name Rungdaeng is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rungdaeng | Thailand |
Suwet, Vanida, Somsiri, Nicthakarn, Nanaphat, Worakarn, and Nitchakarn