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Cognomen Boonnin (Boonnin ) , around the globe, is a very rare surname. The surname Boonnin is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Boonnin | Thailand |
Supat, Siwagorn, Poonsak, Jumnian, Siwakorn, Phuriphatara, Thanomchai, and Khattiyaporn