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Last name Khwunmuang (Khwunmuang ) , worldwide, is a very rare cognomen. The family name Khwunmuang is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khwunmuang | Thailand |
Surat, Pakawat, Piyamas, Krongjit, and Thawankorn