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Cognomen Boonchaiya (Boonchaiya , บุญไชยะ
, บุญไชยา
) , in the world, is a rare last name. The family name Boonchaiya is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| บุญไชยา, บุญชัยยะ, Boonchaiya, บุญไชยะ | Thailand |