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Last name Wangyenniyom (Wangyenniyom ) , around the world, is a very rare cognomen. The family name Wangyenniyom is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wangyenniyom | Thailand |
Wannapa, Thayanee, Chaiyaporn, and Pakjiraporn