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Surname Rajrongmuang (Rajrongmuang ) , throughout the world, is a rare cognomen. The surname Rajrongmuang is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rajrongmuang | Thailand |
Komsun, Yaovarech, Yoavareach, Yoavarech, Thanakorn, and Yaovareach