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Cognomen Boongarn (Boongarn ) , all around the world, is a very rare family name. The last name Boongarn is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Boongarn | Thailand |
Kawnjai, Salinee, Somnuek, Aurivan, Wanwisa, Kachagarn, Kotchagarn, and Khajornpong