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Surname Wanchaya (Wanchaya ) , worldwide, is an extremely rare last name. Predominantly, Wanchaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wanchaya | Thailand |
Aima, Saetan, Khunsen, Tippinij, Ongkhana, Wanchaiwong, Nittayawongwit, and Charoentawornsuk