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Last name Chiangjan (Chiangjan ) , globally, is a very rare surname. The last name Chiangjan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chiangjan | Thailand |
Napat, Jarukit, Jirawat, Jettapon, Natthaya, Nirachorn, Thanunthon, and Phatthreeraporn