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Family name Buahan (Buahan
, บัวหาร
) , throughout the world, is a rare cognomen. The family name Buahan is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, Philippines, where it is a very rare surname, and Malaysia. Very seldom, Buahan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buahan | Philippines, Malaysia, India, United States, Thailand |
| บัวหาร | Thailand |