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Last name Chayankiat (Chayankiat ) , throughout the world, is a very rare surname. The cognomen Chayankiat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chayankiat | Thailand |
Sutum, Wasan, Uayporn, Prapha, Hongsun, Wilawan, Phiankhwan, Witchuda, and Nattapicha