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Surname Khlangchan (Khlangchan ) , in the world, is a very rare cognomen. The family name Khlangchan is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khlangchan | Thailand |
Monthakan, Kannaphat, Nitchanan, and Rapheephat